Finding The Volume of a Composite Figure
Find the volume of the
composite figure.
Volume of
Volume of
Volume
a
+ triangular
=
of
composite
prism
prism
figure
+
V
=
V

(4)(6)(12) + (½)(4)(6) · (6)
V

288 + 72
V

360 ft3
Bh
Bh
Finding the Volume of Composite Figures
Find the volume
of the barn.
Volume of
barn
=
Volume of
rectangular +
prism
V = (40)(50)(15) +
Volume of
triangular
prism
1
(40)(10)(50)
2
= 30,000 + 10,000
= 40,000 ft3
The volume is 40,000 ft3.