Kris5
Which expression represents the volume, in cubic cm., of the cylinder represented in the accompanying diagram?



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Kris5
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dw:1332788283197:dw

Kris5
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I wrote 27 cm. and 12 cm.

hoblos
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volume of cylinder= hπr²

Kris5
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the options given are: 1) 972 pie 2.) 162 pie 3.) 324 pie. and 4.) 3,888 pie

hoblos
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here h=27
r=12/2 =6
V=27(6)²(π) = 972π

Kris5
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oh thank you so much :)

hoblos
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my pleasure :)

Kris5
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wait sorry, how'd you get that answer...isn't π= 3.14? does that mean you multiplied 27 (6) ^2 (3.14)?

hoblos
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you keep it as it is (972π) since it is found like this in the options.. so no need to multiply by 3.14

Kris5
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Ohhh alright, I understand now ! :) thanks again.

hoblos
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no problem XD