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Marty has a right circular cylindrical pool of diameter 12 feet and his neighbor, Rusty, has a right circular cylindrica

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by VJesus12 » Wed Sep 09, 2020 1:01 am

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Answers

A

B

C

D

E

Stats

Difficulty—

Marty has a right circular cylindrical pool of diameter 12 feet and his neighbor, Rusty, has a right circular cylindrical pool of diameter 18 feet. If the depths of the pools are equal, then the volume of water in Rusty's pool is how many times that in Marty's pool?

A. 1.5
B. 2.25
C. 2.5
D. 4
E. 4.25

Answer: B

Source: Princeton Review
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Re: Marty has a right circular cylindrical pool of diameter 12 feet and his neighbor, Rusty, has a right circular cylind

by r3shabh » Fri Sep 11, 2020 2:20 pm
Volume(v) = \(\pi\) r \(^{r^2}\) h
r1= 6
r2 = 9
height of both pools is equal
we have to calculate v2/v1
= \(^{r1^2}\) / \(^{r2^2}\)
= 81/36
=2.25
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