Let the three girls Reshma, Salma and Mandip are standing on the circle of radius cm at points and respectively.
Here, chord chord .
center lies on bisector of i.e. ray
....perpendicular from center to the chord, bisects the chord.
In the ,
From (1) and (2) , we get
Putting in (1) we get
Hence, the distance between Reshma and Mandip m