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RS Aggarwal & V Aggarwal - Mathematics

Exercise 13A

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Exercise 13B

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Exercise 13C

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Exercise 13D

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CCE Questions

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Formative Assessment (Unit Test)

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Q. 25.0( 2 Votes )

<span lang="EN-US

Class 9th RS Aggarwal & V Aggarwal - Mathematics 13. Volume and Surface Area

Answer :

Volume of sphere = 38808cm³

r³ = 441 × 21

r³ = 21 × 21 × 21

r = 21cm

surface area = 4πr²

=

= 5544cm³

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