what is the perimeter of a semicircle with diameter 12cm
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Answer:
Perimeter of semicircle = 2r+r×pi
= 12+6×pi
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Step-by-step explanation:
diameter=12cm
radius=6cm
perimeter of semicircle= π r
= 22 × 6
7
= 132 or 18.8571428571
7
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