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A square pyramid has base edge length 18 cm. The slant height of the pyramid is 41 cm. What is the volume of the pyramid?

Feb 9, 2020

#1
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Answered by pish.glitch.me (go to pish.glitch.me/papers for more math help and review sheets!)

Looking at the prism, we see there is a right traingle with hypothenuse 41 and leg length of 18/2. Then, the other side must be 40 by pythagorean

theorem. Thus, the volume is $$\frac{1}{3}\cdot 18^2\cdot 40=4320$$

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Feb 9, 2020
#2
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I remember that website from AOPS

CalculatorUser  Feb 9, 2020