Devin is making a candle by pouring melted wax into a mold in the shape of a square pyramid. Each side of the base of the pyramid is 10 cm and the height of the pyramid is 11 cm to get the wax for the candle, Devin melts cubes of wax that are each3cm-how?

by 3 cm by 3 cm. What is the minimum number of wax cubes Devin will need in need in order to make the candle? Please explain how you got it.

1 Answer
P dilip_k
Feb 27, 2018

The volume of a square pyramid having each side of its base of 10 cm and the height of 11 cm will be

#V=1/3*10^2*11=1100/3cm^3#

Volume of each cube #v=3^3cm^3#

No. of cubes required

#N=1100/(3*3^3)~~14# (Taking nearest integer value greater than the calculated fractional value)

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