A circular ground has radius 26 m. A 5metre wide road runs outside around it. Find the area of the road.
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Radius of circular ground = 26 m
Width of road = 5 m
Radius of outer circle = 26 + 5 = 31 m
Area of road = area of outer circle - area of inner circle or circular ground = π(31) ^2 - π(26) ^2
=π( 961 - 676)
=22×285/7
=895.71 m^2
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