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0
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avatar+1685 

 

A circular cone has volume 1200 cubic inches and radius 5 inches. What is the height of the cone, to the nearest tenth inch?

 

A) 19.2 in

B) 28.7 in

C) 33.8 in

D) 45.9 in

E) 48 in

 

 

is it D ?

 Nov 5, 2019
 #1
avatar+109750 
+1

Volume  = (1/3) pi r^2 *h

 

1200 = (1/3) * pi *  5^2 * h

 

Can you solve this for h   ???

 

 

cool cool cool

 Nov 5, 2019
 #2
avatar+1685 
+1

would be it B or D

macabresubwoofer  Nov 5, 2019
 #3
avatar+109750 
0

OK.....evaluate

 

      1200

___________              ?????

(1/3) pi * 5^2

 

 

 

 

cool cool cool

CPhill  Nov 5, 2019
 #4
avatar+1685 
+1

    144

___________            

       π

macabresubwoofer  Nov 5, 2019
 #5
avatar+109750 
+1

OK.....and   144/ pi  =   ????

 

cool cool cool

CPhill  Nov 5, 2019
 #6
avatar+1685 
+1

45.8366236105

 

it's D ?

macabresubwoofer  Nov 6, 2019
 #7
avatar+109750 
0

Yep!!!

 

 

cool cool cool

CPhill  Nov 6, 2019

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