Question

if a cone of radius 3 cm and slant height 5 cm is unfolded into a sector, find the perimeter of the sector.

Answer 1

Answer:

18.84

Step-by-step explanation:

clearly, perimeter of the sector=circumference of the cone

now,c=2πr=2*3.14*3=18.84

hence the required perimeter of the sector is 18.84cm