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Firdavs [7]
3 years ago
11

Identify the volume of the composite figure. Round to the nearest tenth.

Mathematics
2 answers:
dalvyx [7]3 years ago
5 0

Answer:

I think It's A

Step-by-step explanation:

Anna007 [38]3 years ago
3 0

Answer:

474.5 ft ³

Step-by-step explanation:

<u>1) Find the volume of the cube</u>

A=l^3 where l is the side length

Plug in 9 ft as l

A=9^3\\A=729

Therefore, the volume of the cube is 729 ft³.

<u>2) Find the volume of the cylinder</u>

A=\pi r^2h where r is the radius of the base and h is the height of the cylinder

Plug in 3 ft as the radius and 9 as the height

A=\pi (3)^2(9)\\A=\pi (9)(9)\\A=81\pi \\A=254.5

Therefore, the volume of the cylinder is approximately 254.5 ft ³.

<u>3) Subtract the volume of the cylinder from the volume of the cube</u>

729 ft³ - 254.5 ft ³

= 474.5 ft ³

Therefore, the volume of the figure is 474.5 ft ³.

I hope this helps!

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