Question

Two small circular track of diameter 60 m and 12 m are to be replaced by a bigger circular park what will be the radius of the new park if the new product by the same

Answer 1

The area occupied by both parks together would be

(πx8²) + (πx6²) = 100π

So the new park should be of area 100π.

π x (New Radius)² = 100π

So, (New Radius)² = 100  [As we cancel π on both sides]

Therefore, New Radius = 10m

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