We have,Height of conical tent = 24 mRadius of its base = 7 mSlant height of cone l = √(r2+h2) = √(242+72) = √625 = 25 mArea of canvas required = πrl = 22/7×7×25 = 550 m2

Q. 64.0( 4 Votes )

Find the area of

Class 9th RD Sharma - Mathematics 20. Surface Area and Volume of a Right Circular Cone

Answer :

We have,

Height of conical tent = 24 m

Radius of its base = 7 m

Slant height of cone l = √(r²+h²) = √(24²+7²) = √625 = 25 m

Area of canvas required = πrl = 22/7×7×25 = 550 m²

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