# Proving Angles Congruent - Proofs

Worksheet (Geometry)

## Proving Angles Congruent - Proofs Worksheet

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Geometry

Angles – Supplementary, Complementary, Vertical, Adjacent – Proofs

1) Two angles whose measures have a sum of 180 are ________.

2) Two angles whose measures have a sum of 90 are ___________.

3) ____________ angles are two coplanar angles with a common side, common vertex, and no common interior points.

Write an equation and solve.

4) and are complementary. 2 5 and 15. Find ∠A ∠B m∠A = x − m∠B = x + the value of x, m∠A,m∠B

5) A supplement of an angle is 4 times the complement of the angle. Find the measure of the angle. Then find the measure of its complement and supplement.

6) The measure of a complement of an angle is three more than twice the measure of the angle. Find the measure of the angle and its complement.

7) A supplement of an angle is four times the measure of the angle. Find the measure of the angle.

8) Vertical Angles are always ________. (complementary, supplementary, or congruent).

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