The area enclosed between the circumferences of two concentric circles – McqOptions

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1.	The area enclosed between the circumferences of two concentric circles is 45 square cm and their radii are in the ratio of 3:2. What is the area off the outer circle?
A.	49 sq.cm
B.	81 sq.cm
C.	100 sq.cm
D.	64 sq.cm
Answer» C. 100 sq.cm

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