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.

Question

welshfella · Answer

the volume of a pyramid = 1/3  * area of base * height

welshfella · Answer

So area of pyramid A = 1/3  * 9^2 * 10

welshfella · Answer

can you work that out?

use ur calculator.

anonymous · Answer

The volume of pyramid A is 270, but how many times bigger than Pyramid b is it in a percent?

anonymous · Answer

How many times bigger is pyramid B i meant.

anonymous · Answer

its 5x bigger, but what is that in a percent

welshfella · Answer

just work out  1350 / 270

welshfella · Answer

= 5 


thats   5*100  per cent

anonymous · Answer

so 500%?

welshfella · Answer

yes

anonymous · Answer

Thank you!

welshfella · Answer

yw