10-12-2014
Mathematics

Answered

A cylindrical can of baked beans has a diameter of 8 cm and a height of 9 cm.

What is the exact volume of the can?

A.

72π cm³

B.

144π cm³

C.

648π cm³

D.

2304π cm³

Verified Answer :

macio06 macio06

10-12-2014

Formula for volue of cylinder is area time height. Lets find area
A=\(\pi r^2\)
diameter=2r
8=2r
r=4
Now substitute r to \(A= \pi r^2\)
A=\(\pi 4^2= 16\pi\)
Now we have formula
V=\(16 \pi *height=16 \pi *9=144 \pi\) - its the result, so B

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