demarcusturnerp87mtc demarcusturnerp87mtc
  • 04-05-2018
  • Mathematics
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A cone has a volume of about 235.5 cubic centimeters. If the height is 9 centimeters what is the radius of the cone?

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Аноним Аноним
  • 04-05-2018
Volume of a cone = 1/3 π r² h 

235.5 = 1/3 (3.14) r² (9) 

(3.14) r² (9)  = 706.5

r² = 25

r = 5

Answer: Radius = 5 cm
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maemae8203
maemae8203 maemae8203
  • 04-05-2018
okay well since V=1/3 pi r^2 h you would replace the equation with 235.5=1/3 pi r^2 9. 706.5=pi r^2 9. 78.5=pi r^2. radius= square root 78.5 / pi
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