Question

find the volume, in cubic inches, of the composite solid below, which consists of a pyramid sitting on top of a cube has the same base as the cube. enter only the number.

Explanation:

Step1: Calculate cube volume

The volume formula for a cube is $V_{cube}=s^3$, where $s = 10$ inches. So $V_{cube}=10^3=1000$ cubic - inches.

Step2: Calculate pyramid volume

The base of the pyramid is the same as the base of the cube, so the base - area $B = s^2=10\times10 = 100$ square inches. The height of the pyramid $h = 6$ inches. The volume formula for a pyramid is $V_{pyramid}=\frac{1}{3}Bh$. Substitute $B = 100$ and $h = 6$ into the formula, we get $V_{pyramid}=\frac{1}{3}\times100\times6 = 200$ cubic inches.

Step3: Calculate composite - solid volume

The volume of the composite solid $V = V_{cube}+V_{pyramid}$. So $V=1000 + 200=1200$ cubic inches.

Answer:

1200