Respuesta :

Answer:

the amount of space present is 15,120 cubic inches

Step-by-step explanation:

To get the amount of space, we simply calculate the volume of the space

This is the area of the base multiplied by the length

Mathematically, we have this as;

Area of the triangle multiplied by the length of the cabinet

We have this as;

(1/2 * 20 * 21) * 72

= 210 * 72

= 15,120 cubic inches