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butalik [34]
3 years ago
13

How does the volume of a cylinder change if the radius is quadrupled and the height is reduced to a third of its original size?

Mathematics
2 answers:
vredina [299]3 years ago
8 0
Oh yay, proportional thinking! (Vicious sarcasm). Alright, let's do this:

<span>Volume of the cylinder = </span><span>π(h)r^2
New volume = </span><span>π(h/3)(4r)^2
= (1/3)</span><span>π(h)(16r^2)
=16*(1/3)</span><span>π(h)r^2
=(16/3)</span><span>π(h)r^2

Therefore, it's D. Though it's spelled pi, and you should really use the ^ symbol. </span>
strojnjashka [21]3 years ago
8 0
Hello there.

<span>How does the volume of a cylinder change if the radius is quadrupled and the height is reduced to a third of its original size?

</span><span>D. v= 16/3 pie r^2 * h</span>
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