Calculate the area of a semicircle with diameter 20 cm.
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Here's your answer mate
Step-by-step explanation:
Diameter of semicircle : 20 cm
So, Radius of semicircle : 20/2 = 10 cm(r)
So, Area of semicircle : πr²/2
= (22/7)×(10)²×(1/2)
= 3.14 ×100× (1/2)
= 314/2 = 157 cm²
So, Area of the semicircle is 157 cm² {ANS}
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