Question

What is the volume of the figure below, which is composed of two cubes with side lengths of 9 units?


Note: Figure is not drawn to scale.
810 cubic units
27 cubic units
54 cubic units
1,458 cubic units

Answer 1

OK lets see

Answer 2

first we need to draw a model, (since we dont have one)

Answer 3

https://app30.studyisland.com/pics/250950num2.png

Answer 4

There is the model

Answer 5

thx! :)

Answer 6

alright so each side is 9 inches right?

Answer 7

and each of them are cubes

Answer 8

yes

Answer 9

9x8x2

Answer 10

ummmm nu

Answer 11

alrght so heres wut we do

Answer 12

tell me, wut is the formula for finding the volume of a cube?

Answer 13

length × width × height

Answer 14

Exactly, lets split the figure in two and just deal with one cube for now

Answer 15

ok

Answer 16

one of the sides is 9 units and all the sides are the same length

Answer 17

now can you tell me the length the width and the height of the sides?

Answer 18

9,9,9

Answer 19

ALRIGHT so u got ur formula, 9x9x9=_ now solve this problem and tell me the answer and we'll move on to the next step

Answer 20

729

Answer 21

Good job! now thats the volume of ONE cube right?

Answer 22

But there are TWO cubes in total, and BOTH are identical

Answer 23

729*2?

Answer 24

yup!

Answer 25

1458

Answer 26

U GOT IT! :D

Answer 27

Can you help me with another one?

Answer 28

sure! just post it as another question