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avatar+196 

Image is question help me asap

sangangsx  Apr 26, 2018
 #1
avatar+91146 
+2

Circumference  =  2 * pi * radius

 

So we have

 

8.5 pi  =  2 * pi * r      divide both sides by 2 pi

 

8.5/2  =  r  =  4.25 in

 

Volumecone  =  (1/3) pi * (radius)^2 * height     =

 

(1/3) * pi * (4.25)^2 * 15  =

 

5 * (4.25)^2 * pi  = 

 

90.31 pi   in^3

 

 

cool cool cool

CPhill  Apr 26, 2018

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