Question

the slant height of a frustum of a cone is 4cm and the perimeters of its circular ends are 18cm and 6cm.find the curved surface area of the frustum.​

Answer 1

Step-by-step explanation:

curved surface area of frustum =

πl(r1+r2)

3.14×4×(18+6)

301.44

so your and is curved surface area of frustum is 301.44cm