Question

20. Firewood is often sold by the cord. A cord of wood is a bundle measuring 4 feet by 4 feet by 8 feet. What's the volume of a cord of wood in cubic feet? A. 3,456 cu. ft. B. 4.74 cu. ft. C. 64 cu. ft. D. 128 cu. ft.

Answer 1

A cord is a rectangular prism. The volume formula for a rectangular prism is A = l*w*h. So, in this case, A = 4*4*8 = 128 ft^3. So your answer is D.