Question

A cylinder has a height of 5.3 cm and a diameter of 3.0 cm. What is its volume? (Hint: Volume of a cylinder = r2h )
25.0 cm3
66.2 cm3
149.9 cm3
37.5 cm3

Answer 1

The formula for volume is actually pir^2h.

Answer 2

i know i just couldnt put pi

Answer 3

but r is the radius so couldnt i just do the diameter

Answer 4

I see...Well the hardest/trickiest thing about this question is:
V = pi * r^2 * h...
Would it be:
V = pi * 3^2 * 5.3
or:
V = pi * 1.5^2 * 5.3?

Diameter is from one side of the circle to the other while radius is from one side to the middle (Half the diameter).

Answer 5

right so the diameter =r^2

Answer 6

Mhmm

Answer 7

so would have to square the diameter

Answer 8

so it would be 149.9 right?

Answer 9

I don't think so...

Answer 10

thats what i got

Answer 11

Did you do 1.5 x 2? or 1.5 x 1.5?
1.5 x 2 = 3
1.5 x 1.5 = 2.25

Answer 12

37.5

Answer 13

:D
I would believe that is your answer :D

Answer 14

ok thanks

Answer 15

Any time m8