a rectangular lawn of dimensions 75 m by 50 M has a circular pond of diameter 35 M at the centre find the area of the remaining lawn
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total area =75×50=3750
diameter of pond=35. so radius=35/2=17.5
area of pond=π(r)(r)
=(22×17.5×17.5)/7
=962.5
so remaining area is 3750-962.5=2787.5
diameter of pond=35. so radius=35/2=17.5
area of pond=π(r)(r)
=(22×17.5×17.5)/7
=962.5
so remaining area is 3750-962.5=2787.5
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