Perimeter of semicircle is 72m find its area only
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Perimeter of semicircle=72
(pi+2)r=72
(22/7+2)r=72
(36/7)r=72
36r=72×7
r=(72×7)÷36
r=504÷36
r=14
Now area
area of semi circle=(pi×r2)÷2
area of semi circle=(22/7×14×14)÷2
area of semi circle=(616)÷2=308
Hope it will help and please mark as a brainlist
(pi+2)r=72
(22/7+2)r=72
(36/7)r=72
36r=72×7
r=(72×7)÷36
r=504÷36
r=14
Now area
area of semi circle=(pi×r2)÷2
area of semi circle=(22/7×14×14)÷2
area of semi circle=(616)÷2=308
Hope it will help and please mark as a brainlist
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