Answer:
x = 68
Step-by-step explanation:
sum of interior angles of 5-sided figure is 3(180°) or 540°
5x + 200 = 540
5x = 340
x = 68
2 × 3 = 6
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best and most correct answer among the choices provided by the question is </span>B. 87.47 cm² .</span>
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(X+5)2=X+15
2X+10=X+15
X=5
A) 5 :)