Answer:
144 units^3
Step-by-step explanation:
The volume of a triangular prism is calculated like this : 1/2 ×b×h×l
1/2 × 12 × 8 × 3 = 144 units^3
108 cm^2
Trapezoid area = (a+b)/2 * h
= (6+12)/2 * 6 = 54 cm^2
Triangle area = b*h/2 = 12* (15-6) / 2 = 54 cm^2
Total area is 54+54 = 108 cm^2
43.6
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