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The Radius (In Cm) of the Largest Right Circular Cone that Can Be Cut Out from a Cube of Edge 4.2 Cm is - Mathematics

Question

The radius (in cm) of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is

Options
  • A. 4.2

  • B. 2.1

  • C. 8.4

  • D. 1.05

Solution

The height and diameter of the base of the largest right circular cone that can be cut out from a cube are equal to the edge of the cube.

Let the radius of the cone be r cm.

∴ 2r = 4.2 cm

`rArr r=4.2/2 cm =2.1 cm`

The correct answer is B

  Is there an error in this question or solution?
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The Radius (In Cm) of the Largest Right Circular Cone that Can Be Cut Out from a Cube of Edge 4.2 Cm is Concept: Heights and Distances.
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