question_answer

How many metres of cloth, 5 m wide, will be required to make a conical tent, the radius of whose base is 7 m and height is 24 m?

A)  550 m                         

B)  168 m 

C)         110m              

D)         33.6 m            

Correct Answer: C

Solution :

Radius of cone (r) = 7 m Height of cone (h) = 24 m Now slant height of the cone, Curved surface area of conical tent Required length of cloth