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A cone has a diameter of 18 in. and a height of 14 in.

What is the volume of the cone?
Use 3.14 as an approximation for straight pi . Express your final answer in hundredths.
@sbcardinals

Sagot :

Darth666idn
Cone's volume is [tex]V = \frac{1}{3}Sh[/tex]
where    S - surface area,  h - height
Surface area =  [tex] \pi r^2[/tex]

r = 18/2=9
h= 14
π = 3.14
[tex]V= \frac{1}{3} \pi r^2h= \frac{1}{3} *3.14*9^2*14= \frac{1}{3} *3.14*81*14=27*14*3.14[/tex][/tex]
[tex] V = 1186.92[/tex] [tex] in.^3[/tex]


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