A piece of circular cardboard with a radius of 35 cm is cut as shown in the figure above. The piece of cardboard is then formed into a conical shell. What is the

a) the radius of the bottom circle?

Answer: The radius of the bottom circle is cm.

b) the height of the cone?

Answer: The height of the cone is cm.

c) lateral surface area of the cone?

Answer: The lateral surface area of the cone is cm.