<PRE><B>Question 204157</B>
Consider the two shapes separately that makes up the tent:
- volume of rectangle -- L*W*H
- volume of triangular prism -- (1/2)BHL
reference:
http://www.mathsteacher.com.au/year9/ch14_measurement/19_prism/prism.htm
.
volume of rectangle:
L*W*H = 15*15*9 = 2025 cubic feet
.
volume of triangle:
(1/2)BHL = (1/2)15*8*15 = 900 cubic feet
.
Total volume = 2025+900 = 2925 cubic feet</PRE>