If the height of a cylinder is increased by 15 percent and the radius – McqOptions

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1.	If the height of a cylinder is increased by 15 percent and the radius of its base is decreased by 10 percent then by what percent will its curved surface area change ?
A.	.5% decrease
B.	.5% increase
C.	% decrease
D.	% increase
Answer» C. % decrease

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