Sides of square are surrounded by four same semicircle each of radius 10.5 CM. The perimeter of the region so formed is
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perimeter of square + perimeter of 2 circle
4a + 4πr i.e.
= 4 × 21 + 4 × 22/7 × 10.5
= 84 + 132
= 216 cm
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0
Answer:
answer is 132 cm
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