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Find the volume of a sphere whose radius is 7 cm. Assume [Assume π=227] - Mathematics

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प्रश्न

Find the volume of a sphere whose radius is 7 cm.

`["Assume "pi=22/7]`

 

बेरीज

उत्तर

Radius of sphere = 7 cm

volume of a sphere = `4/3pir^3`

= `[4/3xx22/7xx(7)^3]cm^3`

= `(4312/3)cm^3`

= `1437 1/3  cm^3`

Therefore, the volume of the sphere is `1437 1/3  cm^3`.

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पाठ 13: Surface Area and Volumes - Exercise 13.8 [पृष्ठ २३६]

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एनसीईआरटी Mathematics [English] Class 9
पाठ 13 Surface Area and Volumes
Exercise 13.8 | Q 1.1 | पृष्ठ २३६

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