RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 20. Surface Area and Volume of a Right Circular Cone

Subject: Mathematics - Class 9th

Q. No. 10 of CCE - Formative Assessment

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If the height and radius of a cone of volume V are doubled, then the volume of the cone is,

We have,

Let radius of cone = r

Let height of cone = h

Volume = 1/3πr2h

New radius of cone = 2r

New height of cone = 2h

New volume =


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