The ratio of curved surface area of two cones is 1 : 9 and the ratio o – McqOptions

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1.	The ratio of curved surface area of two cones is 1 : 9 and the ratio of slant height of the two cones is 3 : 1. What is the ratio of the radius of the two cones?
A.	1 : 3
B.	1 : 9
C.	1 : 27
D.	1 : 1
Answer» D. 1 : 1

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