Question

Measure of an arc of a sector of a circle is 90° and it's radius is 7cm. Find the perimeter of the sector.

Answer 1

perimeter of sector =length of sector+2(radius)

πr theta/180+2(7)

22/7*7*90/180+14

11+14

perimeter of sector=15 cm

Answer 2

hope it finds to b useful