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I need help please and thanks to who helps me

I need help please and thanks to who helps me-example-1
User Anton Kim
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1 Answer

9 votes
For the number 2
Sum of interior angles in a polygon = (n-2) x 180
Sum of I.A in a pentagon = 540
You’ll then equal everything to 540
5x + 5 + 4x - 10 + 4x - 10 + 4x + 15 + 4x + 15 = 540


21x + 15 = 540
21x = 525
X = 25
User Amir Hajiha
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7.4k points