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I need help finding A

I need help finding A
95.8k views
4 votes
I need help finding A

I need help finding A-example-1
User Rujoota Shah
by
7.8k points

1 Answer

8 votes

Answer:

a=23

Explanation:

angle a, b,c and are congruent

3a-9+3a-9+3a-9=180

combine like terms

9a-27=180

add 27 on both sides

9a=209

divide by 9 on both sides

a=23

User Rohr Facu
by
8.1k points
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