If the radius of a cylinder is decreased by 20% and the height is incr – McqOptions

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1.	If the radius of a cylinder is decreased by 20% and the height is increased by 20% to form a new cylinder, then the volume will be decreased by:
A.	22.3%
B.	32.2%
C.	23.2%
D.	20.5%
Answer» D. 20.5%

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