Question

Pyramid A is a square pyramid with a base side length of 12 inches and a height of 8 inches. Pyramid B has a volume of 20,736 in3. How many times bigger is the volume of pyramid B than pyramid A?

a. 15
b. 32
c. 54
d. 75

Answer 1

That is a toughie

Answer 2

Volume of a pyramid is (1/3) B*h where B is the area of the square base.

V = (1/3) * 12*12*8
V = ? @lowcard2

Answer 3

384??

Answer 4

Yes.

Now, divide 20,736 by 384 to get this: How many times bigger is the volume of pyramid B than pyramid A?

Answer 5

54?

Answer 6

That is what I got.

Answer 7

@lowcard2 ^^