anonymous
  • anonymous
A cylinder has a radius of 12 cm and a height of 10 cm. What is its volume? Select one: a. 240pi cm^3 b. 1200pi cm^3 c. 1440pi cm^3 d. 2400pi cm^3 I got 4000 and something so im lost
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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MrNood
  • MrNood
what is the area of one end of the cylinder? (leave pi in the answer...)
calculusxy
  • calculusxy
\[\huge B \times h\] B means the area of the base.. in other words out formula is like: \[\huge (\pi r^2) \times h\]
MrNood
  • MrNood
@Legendary maybe you have got the answer right - but if you look at the answers they have left pi in the answer have you maybe multiplied pi * r^2 * h (that would give 4000 something...)

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anonymous
  • anonymous
i got 4,523
anonymous
  • anonymous
i dont get it
MrNood
  • MrNood
read my post - your answer IS correct - but the answer given has pi left as pi - not multiplied out by 3.14...
anonymous
  • anonymous
okay so what do i do
calculusxy
  • calculusxy
we are doing it in terms of pi. in other words, we will work with the radius and the height in the formula, but not the pi. r^2 = 12^2 = 144 height = 10 144 x 10 = 1,440 and we will attach pi to 1440 \[\large 1,440\pi\]
anonymous
  • anonymous
thank you guys

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