Two semi-circles are drawn on one side of a line segment.
Another semi-circle touches them externally as shown in the
diagram.
What is the radius of the circle that touches all three
semi-circles?
|
Two semi-circles are drawn on one side of a line segment.
Another semi-circle touches them externally as shown in the
diagram.
What is the radius of the circle that touches all three
semi-circles?
|