Pyramid A is a square pyramid with a base side length of 9 inches and a height of 10 inches. Pyramid B has a volume of 1,350 cubic inches. How many times bigger is the volume of pyramid B than pyramid A? Give your answer as a percent. Provide an explanation and proof for your answer to receive full credit. (10 points)

Question

pearis · Answer

How did you get the volume of A?

XTHb · Answer

compute the volume

Mercury · Answer

volume of a square pyramid A:

area of the base is s^2 where s is the side length (s = 9). calculate the area of the base

from there, volume of the square pyramid: (1/3)bh, where b is the area of the base and h is height

once you have the volume of pyramid A: "How many times bigger is the volume of pyramid B than pyramid A?" ---> subtract (volume of B - volume of A)
divide by the volume of A
then convert to a % by multiplying by 100%

pearis · Answer

ok thank you so much !