Homework Help: geometry

Posted by Piggy on Wednesday, April 11, 2012 at 9:27pm.

A cone with a diameter of 7.2 meters and slant height of 8.8 meters is being filled with water at a rate of 2.5 m^3 per minute. How many minutes will it take to fill the cone?

geometry - Reiny, Wednesday, April 11, 2012 at 10:46pm
We need the perpendicular height, not the slant height
h^2 + 3.6^2 = 8.8^2
h^2 = 64.48
h= √64.48

Volume = π(3.6)^2 (√64.48)

time to fill = π(12.96)√64.48 /2.5 = appr 130.78 minutes
geometry - Patrick, Wednesday, July 18, 2012 at 12:14am
Chapter one Quiz 3
to the heart tenth.
cone
S. Find the surface i
12 Chapter 12 Quiz 4

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