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Unit 1 Geometry 3rd

Types of Angles

Acute Angles 0-90
Right Angles 90
Obtuse Angles 90-180
Straight Angles 180
Congruent Angles Angles with the same measure
Supplementary Angles 2 angles that sum up to be 180 degrees (can be spaced out)
Complementary Angles 2 angles that sum up to be 90 degrees
Verticle Angles 2 angle whose sides form 2 pairs of opposite rays
Adjacent angles 2 coplanar angles that have a COMMON sides and a common vertex but *no common interior points.*
Vericle Angles Theorem Verticle Angles are congruent
Angle Bisector A ray that divides an angle into two
Perpendicular Bisector A line, segment, or ray that is perpendicular to a segment at its midpoint
Created by: 02lizzie