Find the diameter of a semicircle whose area is 3925cm square ( use= 3.14)
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area of semicircle =1÷2πr^2
3925 =0.5×3.14r^2
3925÷1.57=r^2
r =√2500
r=500
d= 2r
d=2×500
d=1000cm
3925 =0.5×3.14r^2
3925÷1.57=r^2
r =√2500
r=500
d= 2r
d=2×500
d=1000cm
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