If the perimeter of sector of circle is four times the radius of circle find the central.Angle
Answers
Answered by
0
let the radius of circle be x
then perimeter =4x (given)
but we know that
angle formed by any arc at centre=L /r
where L is length of arc and r is radius
so here
central angle =4x/x
= 4 radian
then perimeter =4x (given)
but we know that
angle formed by any arc at centre=L /r
where L is length of arc and r is radius
so here
central angle =4x/x
= 4 radian
Similar questions