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A circular grass lawn of 35 metres in radius has a path 7 metres wide running around it on the outside. Find the area of the path.

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A circular grass lawn of 35 metres in radius has a path 7 metres wide running around it on the outside. Find the area of the path.

 (a) 1694m2 (b) 1700m2 (c) 1598m2 (d) 1750m2 (e) None of these

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(a) Radius of a circular grass lawn (without path) = 35 m

 Area = πr2 = π (35)2
Radius of a circular grass lawn ( with path)

= 35 + 7 = 42 m

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