Question

What is the approximate volume of a cylinder with a height of 3 ft and a radius of 4 ft?

Use 3.14 to approximate pi.
Express your answer in hundredths.

??? ft^3

Answer 1

@Mehek14 how would I do this?

Answer 2

http://tex.z-dn.net/?f=V+%3D++%5Cpi++r%5E%7B2%7D+h+%3D+3.14+%2A++3%5E%7B2%7D+%2A+4+%3D+113.04

Answer 3

Thanks but I want to learn how to do it ^-^

Answer 4

for this you multiply \(\Large{πr^2h}\) where π is 3.14, r is 4 and h is 3

Answer 5

Wait oh so I would do what @Siri15 has in that link?

Answer 6

no she mixed up the r and h

Answer 7

Ohh okay

Answer 8

but yea you multiply like that

Answer 9

So would it be 4^2 * 3?

Answer 10

\(3.14 * 4^2 * 3\)

Answer 11

oops lol sorry for that mistake

Answer 12

they don't give you π in the answer so you have to multiply that as well

Answer 13

Ohhh okay thanks!

Answer 14

yw \(\ddot\smile\)

Answer 15

So it'd be 150.72 ^-^

Answer 16

yup