Find the volume of a pyramid with a square base, where the side length of the base is 7.2\text{ cm}7.2 cm and the height of the pyramid is 10.4\text{ cm}10.4 cm. Round your answer to the nearest tenth of a cubic centimeter.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter10: Measurement, Area, And Volume
Section: Chapter Questions
Problem 12CT
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Find the volume of a pyramid with a square base, where the side length of the base is 7.2\text{ cm}7.2 cm and the height of the pyramid is 10.4\text{ cm}10.4 cm. Round your answer to the nearest tenth of a cubic centimeter.
Expert Solution
Step 1

Volume of pyramid=13 × area of base ×height

 

Area of base = area of square = 7.2 × 7.2

                          V        = ( 7.2 ×7.2 ×10.4)/3

                                    = 179.712

                                    = 179.7 cubic cm

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