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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

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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`

  Is there an error in this question or solution?

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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