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What is the volume of a right cone having a base diameter of 10 cm and a height of 9 cm?

A) 628 cm cubed

B) 471 cm cubed

C) 157 cm cubed

D) 236 cm cubed

pwolfey  Nov 2, 2017

Best Answer 

 #1
avatar+7339 
+1

volume  =  (1/3)(area of base)(height)

 

area of base  =  pi * radius2  =  pi * (10/2)2  =  pi * 52  =  25pi   cm2

 

volume  =  (1/3)( 25pi )( 9 )   cm3

 

volume  =  75pi   cm3

 

volume  ≈  236  cm3

hectictar  Nov 3, 2017
 #1
avatar+7339 
+1
Best Answer

volume  =  (1/3)(area of base)(height)

 

area of base  =  pi * radius2  =  pi * (10/2)2  =  pi * 52  =  25pi   cm2

 

volume  =  (1/3)( 25pi )( 9 )   cm3

 

volume  =  75pi   cm3

 

volume  ≈  236  cm3

hectictar  Nov 3, 2017

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