मराठी

If a sphere is inscribed in a cube, then the ratio of the volume of the cube to the volume of the sphere will be 6 : π. - Mathematics

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प्रश्न

If a sphere is inscribed in a cube, then the ratio of the volume of the cube to the volume of the sphere will be 6 : π.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर

उत्तर

This statement is True.

Explanation:

Let the side of a cube be x

∴ Volume of a cube (Vc) = (x)3

Radius of a sphere `(r) = x/2`

Volume of sphere `(V_s) = 4/3 pi(r^3)`

= `4/3 pi (x/2)^3`

= `4/3 pi xx x^3/8`

∴ `V_c/V_s = x^3/(4/3 pi x^3/8) = 6/pi` or 6 : π

Hence, the required ratio is 6 : π.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Surface Area & Volumes - Exercise 13.2 [पृष्ठ १२४]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 9
पाठ 13 Surface Area & Volumes
Exercise 13.2 | Q 9. | पृष्ठ १२४

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