RD Sharma - Mathematics

Book: RD Sharma - Mathematics

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

Subject: Mathematics - Class 9th

Q. No. 13 of CCE - Formative Assessment

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If the base radius and the height of a right circular cone are increased by 20%, then the percentage increase in volume is approximately

Let base radius of cone = X

Let height of cone = Y

Volume of cone =

New radius of cone =

New height of cone =

New volume =

Increase in volume =

Percentage increase in volume =

Approx 73%

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