Question

fan/medal to first person to explain and help get answer
The volume of a pyramid that fits exactly inside a cube is 18 cubic feet. What is the volume of the cube? (5 points)


6 cubic feet
18 cubic feet
54 cubic feet
72 cubic feet

Answer 1

I know its not 18 but could you give me the formula and the numbers to plug into to get the answer?

Answer 2

i messed up then

volume of pyramid = (1/3)*h * a where a = area of the base and h = height

18 = ah/3

ah = 54


and what is ah in relation to the cube??

Answer 3

volume?

Answer 4

ah is in relation to the volume

Answer 5

yes
area * height = volume

Answer 6

okay so the answer is 54?

Answer 7

the area of the cube is the same as area of base of pyramid

Answer 8

yes

Answer 9

thank you for the help. you did a great job explaining!

Answer 10

yw