A right circular cone and a right circular cylinder have equal base an – McqOptions

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1.	A right circular cone and a right circular cylinder have equal base and equal height. If the radius of the base and the height are in the ratio 5 : 12, then the ratio of the total surface area of the cylinder to that of the cone is :
A.	: 1
B.	3 : 9
C.	7 : 9
D.	4 : 9
Answer» D. 4 : 9

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