The diameter of a circular park is 84 m. A 3.5 m wide road runs on the outside around it . Find the area of the road .
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radius of park = 84/2= 42
area of park= 22/7*42*42
=5544 m2
width of road= 3.5+42
=45.5
area = 22/7*45.5*45.5
=6506.5m2
area of road=
6506.5-5544 = 1062.5m2
so required answer is 1062.5
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