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Plz I Need Help The height of a square-based pyramid is 12cm.  The volume of the pyramid is 676 cubic centimeters.  How long is each side of the square base?

 Apr 28, 2023
 #1
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The side length of the square base is 14 cm.

 Apr 28, 2023
 #2
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What is the formula for a square-based pyramid in your Math Textbook? Just look it up!

 

V= [S^2 * H] / 3

676 =[S^2 * 12] / 3

Cross multiply

2028 =[S^2 * 12]

divide both sides by 12

169 =S^2

S = sqrt(169) =13 cm - side length of square base.

 Apr 28, 2023

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