Answer:
874.27 ft³
Step-by-step explanation:
Step 1
Find the volume of the triangular pyramid
= 274.27 ft³
Step 2
Find the volume of rectangular pyramid
= Length × Width × Height
= 15ft × 5ft × 8 ft
= 600 ft³
Total volume
= Volume of square based prism + volume of rectangular prism
=274.27 ft³ + 600ft³
= 874.27 ft³
