The perimeter of a certain sector of a circle

Asked by admin @ in Math viewed by 275 People

The perimeter of a certain sector of a circle is equal to the length of the arc of the semicircle having the same radius express the angle of the sector in degree minutes and second

Answered by admin @


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. Rest solution is in photo. Hope it will help u :)


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