Question

A cylinder has a radius of 10 cm and a height of 8 cm.
What is the volume of the cylinder?

I got 2513.27 but it's wrong

Answer 1

volume is base times height
the base is the area of the circle.
What is formula for area of circle?

Answer 2

A= pie times r^2

Answer 3

correct, no plug in 10 for the radius

Answer 4

now*

Answer 5

31.4

Answer 6

alright then 31.4 * 8

Answer 7

25.12

Answer 8

wait.... it is 100 *3.14 which is 314.159

Answer 9

sorry, so it is 314.159*8

Answer 10

So you got it right

Answer 11

where did you get the 100?

Answer 12

r^2 = 10^2 = 100

Answer 13

ohh

Answer 14

I don't know why that is not right. Maybe check decimal places?

Answer 15

also remember units

Answer 16

So its 2513?

Answer 17

yes

Answer 18

Thats not one of the options on the test was the problem because I got that same answer

Answer 19

do you remember any of the choices?

Answer 20

Yeah ill put in a picture of the questions and chocies

Answer 21

ohhhhhhh

Answer 22

They want your answers in terms of pi

Answer 23

so just divide our answer by 3.14159

Answer 24

ok

Answer 25

800!!

Answer 26

Thank you so much

Answer 27

no problem