I have start point $(x_1,y_1)$ and an end point $(x_2,y_2)$ and radius of arc. How to calculate the co-ordinates of mid-poing of arc? The arc is the part of a circle.
length of AD // that is radius B(x,y) C(x,y)
Needs to find
D(x,y) // D is the mid-point of arc BC