Question

WILL MEDAL!
A cylinder has a radius of 10 cm and a height of 8 cm.

What is the volume of the cylinder?

Answer 1

The volume of a cylinder is the area of its base (a circle) multiplied by its height.

Answer 2

the thing is i am not good with finding volumes with cylinders!

Answer 3

The area of a circle is\[\pi r ^{2}\]

Answer 4

yeah

Answer 5

Putting all the parts together, the volume of a cylinder is \[\pi r ^{2} \times h\]

Answer 6

ok so do 3.14x10x10x8?

Answer 7

Yep.

Answer 8

i actually did do that and the answer that we both got is different than the answer choices...

Answer 9

What are the choices?

Answer 10

A. https://static.k12.com/bank_packages/files/media/124059255d969ed37744cf377bfa3cc8.png

Answer 11

B. https://static.k12.com/bank_packages/files/media/bdd37e71ff296417d8422ed771d4a394.png

Answer 12

C. https://static.k12.com/bank_packages/files/media/4a909d7fb42f3763e4872d8944bb48d1.png

Answer 13

D. https://static.k12.com/bank_packages/files/media/ff102fa89f6b4a0a5f07c39de85a8827.png

Answer 14

Just don't multiply by pi, What's 10*10*8
The answer is in terms of pi.
SO you put it as 10pi for example not 31.4...

Answer 15

oh!

Answer 16

so D?

Answer 17

Yep.

Answer 18

Thanks!

Answer 19

You are welcome.