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Geometry Review
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How do I find rotational symmetry of a regular polygon?
360/#of sides
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True or False: Corresponding angles are NOT congruent.
False
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Complementary angles add up to how many degrees?
90
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Which transformation is NOT a rigid motion?
Dilation
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True or false: Alternate interior angles are congruent.
True
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A line or segment the cuts an angle into two congruent parts is called:
Angle bisector
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What is the rule for reflecting over the x-axis?
(x, -y)
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True or False: Vertical Angles are equal to 180 degrees
False!
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Name angle 1 using 3 letters:
<ABC or <CBA
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Supplementary Angles add up to how many degrees?
180
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What does this symbol "||" mean?
Parallel
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Define a Rigid Motion
A transformation that does not change size, shape or angle measure!
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What is the rule for Rotation 180 degrees?
(-x, -y)
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Round 21.0492 to the nearest hundredth
21.05
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An Angle less than 90 degrees is called:
Acute
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Perpendicular lines make what kind of angles?
Right angles
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What is the rule for reflecting over the y-axis?
(-x, y)
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