The perimeter of a certain sector of a circle is equal to the length of the arc of semicircle having the same radius. T Question The perimeter of a certain sector of a circle isequal to the length of the arcofsemicircle having thesame radius. The angle of thesector is in progress 0 Math Ruby 5 months 2021-12-13T03:05:35+00:00 2021-12-13T03:05:35+00:00 1 Answer 0 views 0

## Answers ( )

Answer:Step-by-step explanation:as given in question, half perimeter of circle is equal to perimeter of arc of same radius, so perimeter of arc = r+r+l= 2r+l. And perimeter of semicircle is πr.