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December 18, 2014

December 18, 2014

Posted by **faizel** on Wednesday, January 2, 2013 at 10:23am.

- maths -
**Reiny**, Wednesday, January 2, 2013 at 10:27amvolume of sphere = (4/3)πr^3

let the radius of the cone be x

volume of cone

= (1/3)πx^2 r

(1/3)π x^2 r = (4/3)π r^3

x^2 r = 4 r^3

x^2 = 4r^2

x = 2r

- maths -
**hermando**, Friday, January 11, 2013 at 7:49ampass a plane through a cube of edge 8 inches so that the section formed will be a regular hexagon. through each side of the hexagon pass two planes , one plane containing one of the two vertices of the cube which are farthest away from the plane of the hexagon, the other plane containing the diagonally opposite vertex of the cube. find the volume of the solid bounded by these planes.

- maths -
**hermando**, Friday, January 11, 2013 at 7:51ampls help me to solve the problem.the answer is 384 cubic inches..how come?

- maths -
**hermando**, Friday, January 11, 2013 at 7:53ampls answer my problem..the answer is 384 inches cubic.what will be the process?

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