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The radius and the height of a rightr circular cone are in the ratio 5 : 12. If its volume is 314 cubic metre, find the slant height and the radius (Use π =3.14).
Let radius of cone r=5x
Let height h = 12x
∴ Volume = 314 m3
= x3= 1 = x = 1
∴r =5 and h = 12
Now, slant height l == l = = 13 m