geometry word search and scavenger hunt
DESCRIPTION
Geometry Word Search and Scavenger Hunt. Angle. formed by two lines, or rays, which meet at a point called the vertex. Vertex. The point where two rays meet to form an angle. . Point A is the vertex of the angle. It can be used to name the angle with only one letter. A. Degree. - PowerPoint PPT PresentationTRANSCRIPT
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Geometry Word Search and
Scavenger Hunt
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Angleformed by two lines, or rays,
which meet at a point called the vertex.
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Vertex• The point where two rays meet to form an
angle.
APoint A is the vertex of the angle. It can be used to name the angle with only one letter.
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Degree• The unit used to measure the size of an
angle. One degree represents 1/360 of a circle. The symbol is °.
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Acute Angle• An angle that measures
between 0° and 90°.
A
B C
<B or <ABC or <CBA
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Obtuse Angle• An angle which measures
between 90° and 180°.
D
O G
<O or <DOG or <GOD
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Right Angle• An angle which measures
exactly 90°. C
A T
<A or <CAT or <TAC
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Straight Angle• A straight line which
measures exactly 180°.
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Complementary Angles
• two angles which add together to be 90°.
J J O
BY
< JOY and <BOY are complementary angles. They form the right <JOB
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Supplementary Angles
• Two angles whose measurements add to 180°.
CA
R
J
<CAR and <JAR are supplementary angles. They form the straight <CAJ
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Vertical Angles• Formed by two intersecting
lines which form two pairs of opposite angles which are congruent (equal).
12
34
<‘s 1 and 3 are vertical and <‘s 2 and 4 are also.
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Adjacent Angles• Two angles that have the
same vertex, share a common side, and do not overlap.
B U
MS
< BUM and < SUM are adjacent angles.
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Corresponding Angles• Angles that have the same
position on two different parallel lines that have been cut (intersected) by a third line (a transversal).
1 2
34
5 6
78
<1 and <5
<2 and <6
<3 and <7
< 4 and <8
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Parallel Lines• Two lines in the same plane
that never get any closer to each other, they never meet or intersect.
l m l m
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Perpendicular Lines
• Lines that intersect to form right angles.
l
m
l m
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Triangle• A polygon with three sides.
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Right Triangle• A triangle with exactly one
right angle.
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Acute Triangle• A triangle with three acute
angles.
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Obtuse Triangle• A triangle with exactly one
obtuse angle.
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Scalene Triangle• A triangle with no congruent
sides.
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Isosceles Triangle• A triangle with exactly two
congruent sides.
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Equilateral Triangle• A triangle with all sides
congruent.
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Polygon• A simple closed figure
formed by three or more line segments.
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Quadrilateral• A polygon with exactly four
sides.
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Pentagon• A polygon with exactly 5
sides.
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Hexagon• A polygon with exactly six
sides.
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Heptagon• A polygon with exactly
seven sides.
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Octagon• A polygon with exactly eight
sides.