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# Solution for Find the Curved Surface Area of a Cone with Base Radius 5.25 Cm and Slant Height 10cm. - CBSE Class 9 - Mathematics

ConceptSurface Area of a Right Circular Cone

#### Question

Find the curved surface area of a cone with base radius 5.25 cm and slant height 10cm.

#### Solution

Given that,
Radius of a base of a cone = 5.25 cm

Slant height of cone=10 cm

Curved surface area of cone= pirl

=22/7xx5.25xx10cm^2

 =(22xx0.75xx10)cm^2

= 165 cm^2

Thus, the curved surface area of a cone is  165cm^2

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#### APPEARS IN

R.D. Sharma Mathematics for Class 9 by R D Sharma (2018-19 Session) (with solutions)
Chapter 18: Surface Areas and Volume of a Cuboid and Cube
Q: 6
Solution for question: Find the Curved Surface Area of a Cone with Base Radius 5.25 Cm and Slant Height 10cm. concept: Surface Area of a Right Circular Cone. For the course CBSE
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