Cylinder twice

If the radius of the cylinder increases twice, and the height is reduced twice, then the volume of the cylinder increases (how many times?):

Correct answer:

n =  2

Step-by-step explanation:

V = π r 2 h V2 = π (2r)2 (h/2) = 2 π r2 h = 2 V n = V2/V n=2



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