Download Acute angles of a right triangle are complementary Alternate exterior

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Acute angles of a right triangle are complementary
Alternate exterior angles are congruent
Alternate interior angles are congruent
Corresponding angles are congruent
Exterior angles of a polygon = 360
Exterior Angle
Interior angles of a triangle = 180
Parallel lines
Remote Interior Angles
Same side interior angles are supplementary
Sum of interior angles of a polygon = (n – 2)*180
2 congruent so third
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