The perimeter of a semicircular protractor is 36cm . Find its diameter Share with your friends Share 0 Abhishek Kumar answered this Dear student, Regards -1 View Full Answer Omkar Anand answered this 2r+?r=36 r(2+?)=36 r(2+22\7)=36 r(36\7)=36 36r(1\7)=36 Therefore r=7 Diameter=14 1
