Question

Medal + fan!
A rectangular pyramid fits exactly on top of a rectangular prism. The prism has a length of 15cm, A width of 5cm, and a height of 7cm. The pyramid has a height of 13cm. Find the volume of the composite space figure.
A. 1,500cm^3
B. 500cm^3
C. 975cm^3
D. 850cm^3

Answer 1

@Mehek14 @Erak Help?

Answer 2

So if you can visualize it, it's just a box with a pyramid on top. The pyramid shares the same base as the length/width of the box. Your equation would be:

A = lwh + lwh/3

Where the second height is the pyramid height of 13cm.

Answer 3

Oops, change that A to V, it's volume.

Answer 4

So, it would be B correct?

Answer 5

500cm^3? @Erak

Answer 6

So what are the dimensions of your rectangular prism, and what are your dimensions of your pyramid?

Answer 7

I personally got D, btw.