Question

Measure of an arc of a sector of a circle 90degree and its radius is 7 cm find perimeter of sector

Answer 1

Answer:

Step-by-step explanation:

ere θ = 90 degree

r = 7 cm

 Length of-arc = (θ/360) x 2Πr

                               =  (90/360) x 2 x (22/7) x 7

                               =  (1/4) x 2 x 22

                               =   (1/2) x 22

                               =   11 c

Read more on Brainly.in - https://brainly.in/question/2160010#readmore