Question

One day a boy going to home from the school saw a carpenter working on wood. He

found that he is carving out a cone of the same height and same diameter from cylinder.

The height of the cylinder is 2.4 cm and base radius 0.7cm . Whole watching it some

questions came to his mind. Help him to answer the questions ?

1. What is the slant height of the conical cavity so formed

a. 2.5 cm

b. 1.5 cm

c. 3 cm

d. 3.2 cm

2. The curved surface area of cylinder

a. 9.57cm2

b. 10.56cm2

c. 15.5 cm2

d. 13.2 cm2​

Answer 1

Answer:

1.(a) 2.5 cm

2. (c) 15.5cm2