Question

the perimeter of semicircular protractor is 108 cm find the diameter of protector​

Answer 1

the perimeter of semicircle=πr+2r

so,

108=22/7*r+2r

108=r(22/7+2)

108=r(36/2)

108=18r

r=108/18

r=6

hope it helps

please mark it as brainiest