A rectangular pyramid fits exactly on top of a rectangular prism. The prism has length 15 cm, width 5 cm, and height 7 cm, and the pyramid has height 13 cm. Find the volume of the composite space figure.

A) 1500 cm3
B) 500 cm3
C) 2275 cm3
D) 850 cm3

Question

A rectangular pyramid fits exactly on top of a rectangular prism. The prism has length 15 cm, width 5 cm, and height 7 cm, and the pyramid has height 13 cm. Find the volume of the composite space figure.

A) 1500 cm3
B) 500 cm3
C) 2275 cm3
D) 850 cm3

asadkarim7 · Answer

vol of pyramid = 1/3 ( 15 x 5 ) x 13 = 325
vol of prism =15x5x 7= 525
325 + 525 = 850 cm ^3

anonymous · Answer

Thanks a billion!