Math CentralQuandaries & Queries


Question from poornima, a student:

circular Swimming pool is surrounded by a concrete walk 4 feet wide, if the area of the walk is 11/25 of the area of the pool, then the radius of the pool in feet is

Hi Poornima,


What is the area of the water surface?

What is the area of larger circle that contains the water surface and the walk?

The difference is the area of the walk.

Can you complete the solution from here?


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