Question

find the unknown angle a in the given figure
I don't want the answer I .
I knew the answer that is 120° I want the solution ​

Answer 1

Answer:

sum of interior angles in pentagon = 540°

90+90+a+a+a=540

180+3a=540

3a=540-180

3a=360

a=360/3

a=120°

I hope my answer helps you☺☺

Answer 2

Answer:

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