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

Answer 1

So...

Volume = 1/3 bh

1/3 12 * 8 = 96 * 1/3 = 32...

If I divide 32 by 20,736, I get 648... That can't be right.

Answer 2

no it isnt...

you got the formula right but you carried it out wrong
B=base= length*width

so... 1/3 lwh= 1/3 12*12*8=384

Answer 3

i think you flipped what you did for your division

Answer 4

also^^ what element said

Answer 5

it's the area of the base, not just the base length

Answer 6

384 is the V for pyramid A so divide Volume B by Volume A

Answer 7

and you get your answer

Answer 8

My book says different...

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Answer 9

the capital b implies the area

Answer 10

hmm... idk why it is different... and yes B= area of base

Answer 11

otherwise it would just use lowercase as is convention

Answer 12

So we multiply the area times the height...

Answer 13

yes the area of base times height

Answer 14

What does the area of the base mean

Answer 15

length times width

Answer 16

it makes a square at the base

Answer 17

since it is a square pyramid the base resembles a 2D square so just multiply to find the area

Answer 18

Wait, what?

Answer 19

B= l*w

Answer 20

"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"

We're not given a length.

Answer 21

since it is a SQUARE pyramid the side lengths are equal (12)
keyword: SQUARE

the height is 8

Answer 22

I'm not understanding.

We're trying to find B. You're no telling me where legnth comes in from.

Answer 23

What can you tell me about the sides of a square?