From simple questions to complex issues, IDNLearn.com has the answers you need. Our platform is designed to provide trustworthy and thorough answers to any questions you may have.
Answer:
A
Step-by-step explanation:
Find cross-sectional area first:
Area of triangle = 6x4/2
Multiply the cross-sectional area by height which in this case is 9ft so
(6x4/2) x 9