1) A semi circular sheet of a paper of diameter 28 cm is bent to cover the exterior surface of an open conical ice cream cup. The length of the ice cream cup is: A) 10.12 cm B) 8.0 cm C) 12.0 cm D) 14.0 cm Answer: Option DExplanation:Radius of the semi circular sheet = height of the cone Therefore height = $\frac{28}{2}=14 cm$
