180k views
2 votes
If two angles are supplementary and congruent, what is the measure of each angle?

45°
100°
90°
180°

2 Answers

5 votes

Answer:

90

Explanation:

User Sourcedelica
by
7.6k points
4 votes
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
User Pramod Karandikar
by
8.1k points

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