geometry vocabulary · geometry vocabulary. angle made up of 2 rays joined together at a common...
TRANSCRIPT
![Page 1: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/1.jpg)
Geometry Vocabulary
![Page 2: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/2.jpg)
Angle
Made up of 2 rays joined together at a common point called a vertex.
The angle is
ABC
![Page 3: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/3.jpg)
Circle
• The set of points on a plane at a certain distance, or radius, from a single point, the center
![Page 4: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/4.jpg)
Lines that intersect at 90angles.
M
E
𝑴 ⊥ 𝑬
![Page 5: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/5.jpg)
Perpendicular Lines
Two lines that intersect at a right angle (90°).Written as .AB PQ
![Page 6: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/6.jpg)
Lines in the same plane that do not intersect.
WE
GO
𝑾𝑬 𝑮𝑶
![Page 7: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/7.jpg)
Parallel Lines
Lines in a plane that do not share any points and never intersect.Written as AB PQ
![Page 8: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/8.jpg)
Line Segment
A line with two endpoints.Written as AB
![Page 9: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/9.jpg)
Point
Point A
or
Point B
An exact position or location in a given plane.
Is represented by a dot and named with a capital letter.
![Page 10: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/10.jpg)
Line
The set of points between points in a plane and the infinite number of points that continue beyond the points.
Written as PQ
P
Q
![Page 11: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/11.jpg)
Ray A line that has one endpoint and continues on forever in the opposite direction.
![Page 12: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/12.jpg)
Right Angle
An angle that measures 90°.
![Page 13: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/13.jpg)
Acute Angle
An angle measuring less than 90° but greater than 0°.
![Page 14: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/14.jpg)
Obtuse Angle
An angle measuring greater than 90° but less than 180°.
![Page 15: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/15.jpg)
Straight Angle
An angle measuring exactly 180°.
![Page 16: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/16.jpg)
A triangle with no congruent sides.
![Page 17: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/17.jpg)
A triangle with two congruent sides.
![Page 18: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/18.jpg)
Points that lie in the same plane.
![Page 19: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/19.jpg)
Points that lie on the same line.
AR M
A, R, & M are collinear points
![Page 20: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/20.jpg)
Congruent
Figures are congruent if they have the same shape, size, lines, and angles.
![Page 21: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/21.jpg)
Angles that have the same measure
B
E
B ≅ 𝑬
![Page 22: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/22.jpg)
Two segments that have the same length.
OK
YA
𝑶𝑲 ≅ 𝒀𝑨
![Page 23: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/23.jpg)
Have the same shape but not necessarily the same size.
3
45
6
8 10
![Page 24: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/24.jpg)
Complementary Angles
Two angles that add up to 90 degrees.
12
30
60
![Page 25: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/25.jpg)
Supplementary Angles
Two angles that add up to 180°.
1 2
20
160
![Page 26: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/26.jpg)
Adjacent Angles
Two angles that share a common vertex and side.
SIDE BY SIDE
![Page 27: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/27.jpg)
Two angles in the same plane with a common vertex and a
common side, but no common interior points.
12
1 & 2 are adjacent angles
![Page 28: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/28.jpg)
To divide into two congruent parts.
L
K
M
𝑱𝑲 bisects LJM
J
![Page 29: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/29.jpg)
The point that divides a segment into two congruent segments.
O BC
O is the midpoint of 𝑪𝑩
![Page 30: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/30.jpg)
A closed plane figure formed by three or more segments such that each
segment intersects exactly two other segments only at their endpoints and
no two segments with a common endpoint are collinear.
![Page 31: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/31.jpg)
A polygon that is both equilateral and equiangular.
![Page 32: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/32.jpg)
Equilateral
•Having all sides the same length
![Page 33: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/33.jpg)
Altitude
a line that extends from one vertex of a figure perpendicular to the opposite side, this is the height of figure.
![Page 34: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/34.jpg)
Line of Symmetry
• the imaginary line where you could fold the image and have both halves match exactly
![Page 35: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/35.jpg)
Perpendicular Bisector
•A line which cuts a line segment into two equal parts at a 90° angle
![Page 36: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/36.jpg)
A
B C
![Page 37: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/37.jpg)
A corner or point where lines, rays, polygons, or other geometric figures meet.
vertex
![Page 38: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/38.jpg)
Vertical AnglesTwo angles directly across from each other that are congruent. They share a common vertex. E & G and H & F are vertical angles.
hf
e
g
![Page 39: Geometry Vocabulary · Geometry Vocabulary. Angle Made up of 2 rays joined together at a common point called a vertex. The angle is ABC. Circle •The set of points on a plane at](https://reader033.vdocuments.us/reader033/viewer/2022060602/60568186638cad7ae67b6a46/html5/thumbnails/39.jpg)
Linear Pair
A linear pair is a pair of adjacent angles that are supplementary. For example, angle 1 and 2 in the figure below form a linear pair.