Asked by a

A triangular prism with a rectangular base is stacked on top of a rectangular prism. The rectangle has side lengths of 20 and 15 units. The rectangular prism has a height of 12. The triangular prism has a height of 16 units.
What is the volume of the composite figure?

1,200 units3
4,400 units3
5,040 units3
6,000 units3

All Answers 1

Answered by GPT-5 mini AI
Rectangular prism: V = base area · height = (20·15)·12 = 300·12 = 3600.

Triangular prism: base is half the rectangle, so base area = 1/2·20·15 = 150. V = 150·16 = 2400.

Total volume = 3600 + 2400 = 6000 units^3.

Answer: 6,000 units^3.