find the perimeter of a semi-circle plate of radius 3.85cm
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Answered by
6
Hii friend,
Radius = 3.85 CM
Therefore,
Perimeter of the semicircle plate = (πr + 2r) = r(π+2) = 3.85 ( 22/7 + 2) = 3.85 ( 22+14) = 3.85 × 36 = 138.6 CM
HOPE IT WILL HELP YOU..... :-)
Radius = 3.85 CM
Therefore,
Perimeter of the semicircle plate = (πr + 2r) = r(π+2) = 3.85 ( 22/7 + 2) = 3.85 ( 22+14) = 3.85 × 36 = 138.6 CM
HOPE IT WILL HELP YOU..... :-)
Answered by
11
perimeter of semicircle=πr+2r=22/7×385/100+2×385/100=>19.8cm
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