Solution for Find the Curved Surface Area of a Cone, If Its Slant Height is 60 Cm and the Radius of Its Base Is 21 Cm. - CBSE Class 9 - Mathematics
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Find the curved surface area of a cone, if its slant height is 60 cm and the radius of its base is 21 cm.
Radius of its base is 21cm
Slant height= 60cm
WKT, Curved surface area of a cone =`pirl`
∴ Curved surface area=`22/7xx21xx60`
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Solution Find the Curved Surface Area of a Cone, If Its Slant Height is 60 Cm and the Radius of Its Base Is 21 Cm. Concept: Surface Area of a Right Circular Cone.