Answer
T$\approx$116.5 in$^2$
Work Step by Step
B=x$^2$
72=$\frac{1}{3}$Bh
72=$\frac{x^3}{3}$
x$^3$=216
x=6
T=36+(.5)(4)(6)($\sqrt 45$)
T=36+12$\sqrt 45$
T$\approx$116.5 in$^2$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 9 - Section 9.2 - Pyramids, Area, and Volume - Exercises - Page 422: 25
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
