1.

What is the area of a semicircle with diameter 18 in. ? *

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Answer:

HEY MATE ,

here is ur answer

area of semi circle is (πr ²)/2

diameter of circle = 18

radius is = 18/2

so, the radius is 9

so, area of semi circle =( π r²)/2

((22/7)*(9*9))/2

(462in.)/2

= 231in.²

hope it helps U

THANKS for giving me a chance to help you


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