Question

A fez, the cap used by the Turks, is shaped like the frustum of a cone . If its radius on the open side is 10 cm , radius at the upper base is 4 cm and its slant height is 15 cm , find the area of material used for making it.

Answer 1

Answer:

710 2/7 cm² or 710.29 cm²

Step-by-step explanation:

Refer to the attachment:

Answer 2

Answer:

660 cm2

Step-by-step explanation: we have to find CSA of frustum (cap)

CSA = pie. Slant height .(R+r)

22/7 * 15 ( 10+ 4 )

22/7 * 15 * 14

=660 cm2