The radius of a semicircle is 14 cm find its perimeter
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8
r=14cm
perimeter = πr+2r = (22/7×14)+(2×14) = (22×2)+28 = 44+28 = 72cm
perimeter = πr+2r = (22/7×14)+(2×14) = (22×2)+28 = 44+28 = 72cm
Answered by
8
Hey there !
Radius = r = 14 cm
Diameter = 2r = 14 x 2 = 28 cm
Perimeter of a semi circle = 1/2π × d + d
= 1/2 x 22/7 x 28 + 28
= 72 cm
Radius = r = 14 cm
Diameter = 2r = 14 x 2 = 28 cm
Perimeter of a semi circle = 1/2π × d + d
= 1/2 x 22/7 x 28 + 28
= 72 cm
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