BellworkName all the angles that have the vertex B.1) 2) 3)

4) a. Translate <ABC horizontally right 8 units (label <A’B’C’)

b. Translate <A’B’C’ vertically up 6 units (label <A”B”C”)

c. Translate <A”B”C” horizontally -8 units (label <A’’’B’’’C’’’)

d. What translation would move <A’’’B’’’C’’’ back to the location of <ABC?

D1

A B

B B

ML

Z

YX

P

NC 2 3 4

5

A

B

C

Homework Questions

Definition DashNumber your paper #1-20.

I’m going to show you a picture and/or definition. You write down the vocabulary word.

The basic unit in geometry. It is infinitely small. It has only location.

1

part of a line that begins at an endpoint and extends forever in one direction

A

B

C

2

Has length and width but no thickness. It is a flat surface that extends forever

3

Points that lie on the same line.

• ••

A BC

4

5

2122

12 yyxxd

Points that lie in the same plane.

••

•D E

F

6

Original Figure

7

two points (endpoints) and all the points between them that lie on the line containing the two points

A B

8

A straight arrangements of points. There are infinitely many points in a line. It has infinite length but no thickness.A B

• •

9

two rays that share a common endpoint, (provided the two rays do not lie on the same line)

A

CB

10

Rigid motion that “slides” each point of a figure the same distance and direction.

11

Lines that lay on different planes and will never intersect.

12

A mapping, or movement, of all points of a figure in a plane according to a common operation

13

The new figure created form the translation

14

a ray that cuts an angle into two equal angles

15

16

2,

22121 yyxx

A transformation of points in space

17

A point that lies exactly half-way between two points, divides a line segment into two congruent line segments.

18

Line segments of equal measure

19

The common endpoint of two rays that form an angle.

20

Name the following figures as many ways as possible

ML

B

A

Y

W

X

N

R

P

S

T

t

2

Homework

Chapter 1 Vocabulary Review

Homework Answers

1-20 use book glossary21) YX, XY, ZY, 22) RS, RT

YZ, XZ, ZX23)JK, KJ 24) <3, <B,

<ABC, <BCA

25) Line h 26) plane W27) 28)

29) 30)

tq

t

B

S

X

mY

RP

C

F

QD

YX