A lawn is80m long and 60m wide. There is a circular swimming pool of radius 7cm in this lawn. Find the area of remaining part of lawn
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sol- length of lawn - 80 m
breadth of lawn - 60m
area of lawn- l*b
= 80*60
=4800m²
radius of swimming pool= 7m
area of swimming pool= πr²
=22/7*(7)²
= 22/7*49
= 22*7
=154 m²
.: area of remaining part= 4800- 154
= 4646m²
breadth of lawn - 60m
area of lawn- l*b
= 80*60
=4800m²
radius of swimming pool= 7m
area of swimming pool= πr²
=22/7*(7)²
= 22/7*49
= 22*7
=154 m²
.: area of remaining part= 4800- 154
= 4646m²
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