anonymous
  • anonymous
please help
Geometry
chestercat
  • chestercat
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anonymous
  • anonymous
Select one: a. h = 12 and r = 4 b. h = 6.75 and r = 4.5 c. h = 6.75 and r = 2.25 d. h = 12 and r = 8
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hartnn
  • hartnn
you just need to scale things by the given factor. \(new = k \times old\) here, k=4/3 old height =9 new hight = 4/3 * 9 =... ?
anonymous
  • anonymous
so whats the answer? @hartnn

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hartnn
  • hartnn
you just need answers ?? also, the answer is in front of you! just do, (4/3)*9 for height
anonymous
  • anonymous
i got 12 as the height but how do i find the radius?
anonymous
  • anonymous
hartnn
  • hartnn
good! h=12 is correct do same thing for radius old radius = old diameter /2 = 6/2 = 3 new radius = k* old radius = (4/3)*3 =... ?
anonymous
  • anonymous
i got 6 this time @ hartnn
anonymous
  • anonymous
anonymous
  • anonymous
nvm itd 4
hartnn
  • hartnn
no, no.... \(\large \dfrac{4}{\cancel 3}\times\cancel 3=4\) yes! 4
anonymous
  • anonymous
ok thank you

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