The radius of a conical tent is 4 m and slant height is 5 m. How many meters of canvas of width 125 cm will be used to prepare 12 tents ? If the cost of canvas is Rs.20 per meter, then what is total cost of 12 tents ? (???? = 3.14)
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ANSWER :
The Cost of 12 tents is ₹ 12057.60
SOLUTION IS IN THE ATTACHMENT.
CONE:
A cone is a solid generated by the revolution of a right angled triangle about one of its side containing the right angle as axis.
Curved surface area of a cone = πrl
Volume of a cone = ⅓ πr²h
Slant height of the cone (l) = √r²+h²
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