If two angles are supplementary and congruent, what is the measure of each angle?

45°

100°

90°

180°

Question

Mathematics

Kason Schneider

23 December, 09:15

If two angles are supplementary and congruent, what is the measure of each angle?

45°

100°

90°

180°

+5

Answers (1)

Know the Answer?

Jillian Choi · Answer 1

Supplementary means x+y=180

congruent means they have the same measure x=y

so x+y=x+x=y+y=180=2x=2y

2x=2y=180d

divide by 2

x=y=90

the answers are 90 and 90

If two angles are supplementary and congruent, what is the measure of each angle?45°100°90°180°

If two angles are supplementary and congruent, what is the measure of each angle?

45°

100°

90°

180°