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Mathematics 16 Online
OpenStudy (brucebaner):

help me now plz help

OpenStudy (brucebaner):

A cone has a radius of 6 inches and a height of 10 inches. What is the exact volume of the cone? A. 40π in3 B. 120π in3 C. 240π in3 D. 360π in3

OpenStudy (brucebaner):

i think its b?

OpenStudy (anonymous):

volume is \[\pi r ^{2}(h/3)\]

OpenStudy (anonymous):

r is radius h is height

OpenStudy (brucebaner):

okay

OpenStudy (brucebaner):

well i got 120

OpenStudy (anonymous):

correct

OpenStudy (brucebaner):

the volume of a cone: V=1/3*3.14*r^2h r - the radius h - the height V=1/3πx6^2x10=1/3πx36x10=360/3π =120π

OpenStudy (anonymous):

Thats right. h/3 is the same as h*(1/3)

OpenStudy (brucebaner):

medal?

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