RD Sharma - Mathematics

Book: RD Sharma - Mathematics

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

Subject: Mathematics - Class 9th

Q. No. 5 of CCE - Formative Assessment

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The slant height of a cone is increased by 10%. If the radius remains the same, the curved surface area is increases by

Let radius of cone = r

Let slant height = x

Curved surface area =

New slant height =

New volume =

Increase in volume = =

Percentage increase in volume =

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