find the perimeter of semicircle whose diameter is 4.5 metre
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2
radius=4.5/2=2.25m
perimeter of semicircle=pi r=pi*2.25=2.25pi m ans
perimeter of semicircle=pi r=pi*2.25=2.25pi m ans
Answered by
1
diameter =4.5m
radius =4.5/2=2.25
perimeter =2πr=2(22/7)(2.25)
=2(22/7)(225/100)
=(22/7)(225/50)
=11/7)(225/25
=11/7)(9/1
=99/7
14.14
perimeter of semicircle =7.07
radius =4.5/2=2.25
perimeter =2πr=2(22/7)(2.25)
=2(22/7)(225/100)
=(22/7)(225/50)
=11/7)(225/25
=11/7)(9/1
=99/7
14.14
perimeter of semicircle =7.07
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