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Find the perimeter of semi circle |
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Answer» ONG>Answer: 88cm Step-by-step explanation: if we draw the circles by TAKING the side of the square as diameter, we get 4 circles HALF of each inside the square and half outside of the square. the perimeter of the figure = perimeter of 4 semi-circles the perimeter of a semi-circle = 2πr/2= πr the perimeter of 4 semi-circles = 4×πr the perimeter of the figure = 4 ×(22/7)×7= 88cm |
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