Q. 74.0( 4 Votes )

# Find the area of

Answer :

We have,

Base radius of cone = 7 cm

Height of cone = 24 cm

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

Hence area of metal sheet required = total surface area of cone

= πr(l+r) = 22/7 ×7 (25+7)

=704 cm2

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