Respuesta :

I hope this helps you

Ver imagen MIRAGEE
xops

Answer:

Yeah, it's a triangular pyramid.

:)

661.5 :)

Step-by-step explanation:

So we know the formula is 1/3*B*H, and the height is 15! That means we have to solve for b!

10.5 * 25.2 = 264.6 Now we divide 264.6/2 to get 132.3.

Now we can use the formula.

132.3 * 15 * 1/3 = 661.5 :)