A circular swimming pool is surrounded by a concrete wall 4m wide. If – McqOptions

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1.	A circular swimming pool is surrounded by a concrete wall 4m wide. If the area of the concrete wall surrounding the pool is 11/25 that of the pool, then the radius (in m) of the pool is:
A.	8
B.	20
C.	30
D.	16
Answer» C. 30

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