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Waffle cone has a volume of 1000cm3.the radius of the cone is one quarter of the height.what's the height?

Answers:1   |   LastAnswerAt:2011.04  

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Ciel Phantom 
Asked at 2011.04.21 02:43:13
write a volume formula to solve this problem, write an equation that relates the radius to the height, solve the equation for the height.. thanks thanks
answer Mike G  Answered at 2011.04.21 02:43:13
Volume = PI*R^2*H/3
H = 4R
V = PI*R^2*4R/3
V = 4PI * R^3/3 = 1000
R^3 = 3000/(4PI) = 238.73
R = 6.2 cm
H = 24.8 cm
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