A circular park of radius 20 metre has a road 5 metre
wide running around it. find the area of the road.
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ok..
So give Radius of park =20metres
and road around it = 20+5
= 25
So we have to find the area of both first...
area of park = πr²
= (22/7) × 20 × 20
= 8800/7 metres
area of road = (area of park + road with) - area of
park
= [(22/7)×25×25] - [8800/7]
= (13750/7) - (8800/7)
= 4950/7 metres
# You can also do this in decimals
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