countrygirl1431
  • countrygirl1431
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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undeadknight26
  • undeadknight26
The formula for volume is actually pir^2h.
countrygirl1431
  • countrygirl1431
i know i just couldnt put pi
countrygirl1431
  • countrygirl1431
but r is the radius so couldnt i just do the diameter

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undeadknight26
  • undeadknight26
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).
countrygirl1431
  • countrygirl1431
right so the diameter =r^2
undeadknight26
  • undeadknight26
Mhmm
countrygirl1431
  • countrygirl1431
so would have to square the diameter
countrygirl1431
  • countrygirl1431
so it would be 149.9 right?
undeadknight26
  • undeadknight26
I don't think so...
countrygirl1431
  • countrygirl1431
thats what i got
undeadknight26
  • undeadknight26
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
countrygirl1431
  • countrygirl1431
37.5
undeadknight26
  • undeadknight26
:D I would believe that is your answer :D
countrygirl1431
  • countrygirl1431
ok thanks
undeadknight26
  • undeadknight26
Any time m8

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