the height of a tent is 9m.its base diameter is 24m.what is its slant height?find the cost of canvas cloth required if it cost₹14 per sq.m.
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Diameter = 24 m
Radius = 12 m
Height = 9 m
Slant Height = l
So, l²= r²+h²
l²= 12²+9²
l²= 144+81
l² = 225
l = √225
l = 15
C.S.A of Cone = πrl
=22/7×12×15
=565.71 m²
Cost of tent = Area×Cost of 1 m²
=565.71×14
= 7919.94 Rs
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