in a circular garden of 50 m radius,a pond is contructed in the form of a circle with radius 20 m. find the land left out
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area of the park is =πr²=(22/7)*(50)²
area of the pond is=(22/7)*(20)²
then area of land left=(22/7)*(50²-20²)
=(22/7)*(50+20)*(50-20)
=(22/7)*70*30
=22*10*30=6600 sq.m...(ans)
area of the pond is=(22/7)*(20)²
then area of land left=(22/7)*(50²-20²)
=(22/7)*(50+20)*(50-20)
=(22/7)*70*30
=22*10*30=6600 sq.m...(ans)
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