A park is in the shape of a semicircle with radius 21 m. Find the
cost of fencing it at the cost of ` 5 per metre.
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Answer:
Step-by-step explanation:
Circumference of the semicircle = πr
= 22/7 × 21 = 66
Whole circumference = 66 + (diameter 2r)
= 66+ 42
= 108 mt
Cost of painting
= 5 × 108
= 540 mt
Hope it's helpful.
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