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Mathematics 7 Online
OpenStudy (anonymous):

a right circular cone is inscribed in a cube having a diagonal which measures 10√3 cm. find the volume of the cone and the volume of space between the cone and the cube.

OpenStudy (anonymous):

@phi

OpenStudy (phi):

ok, first write down the formula for the volume of a cone.

OpenStudy (anonymous):

what do you think

OpenStudy (anonymous):

if you figure out the forula you have your answer right there

OpenStudy (anonymous):

formula

OpenStudy (anonymous):

V=1/3*pi*r^2*h

OpenStudy (phi):

next, sketch what you think it looks like

OpenStudy (anonymous):

|dw:1429545821661:dw|

OpenStudy (phi):

if we know the side of the cube we know the height of the cone and its radius the diagonal is in 3D

OpenStudy (anonymous):

|dw:1429545945807:dw|

OpenStudy (anonymous):

so the radius is 5

OpenStudy (phi):

that is 2D it looks like this |dw:1429546028607:dw|

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