## Geometry: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 11 - Surface Area and Volume - 11-5 Volumes of Pyramids and Cones - Practice and Problem-Solving Exercises - Page 729: 8

#### Answer

$6312000 \ ft^3$

#### Work Step by Step

The volume of a square pyramid is: $Volume =\dfrac{1}{2} \times b\times h=\dfrac{1}{2} \times S^2 \times h$ Plug the values of $S$ and $h$ into the formula to obtain: $Volume=\dfrac{1}{2} \times (149)^2 \times (853)\\=\dfrac{1}{2} \times 22201 \times 853 \\=6312000 \ ft^3$

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