if the perimeter of a semi-circular park is 72m,find it's area and radius.
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1
in this question perimeter belongs to circumference of a circle so at first you can find the radius from the circumference 2pie r and then from here you will get radius and then you find area pie r squqre and then you will get answer
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8
perimeter of semicircular park=πr+2r
=72m
r(π+2)=72m
r=14.003m
Area of park =πr²/2≈308m²
=72m
r(π+2)=72m
r=14.003m
Area of park =πr²/2≈308m²
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