Circle-Point Midpoint Theorem

​
The locus of midpoints of the line from some point to the points of a circle of radius
r
is a circle of radius
r/2
. You can drag the point on the large circle or the point at the other end of the line.

External Links

Circle-Point Midpoint Theorem (Wolfram MathWorld)

Permanent Citation

Jay Warendorff
​
​"Circle-Point Midpoint Theorem"​
​http://demonstrations.wolfram.com/CirclePointMidpointTheorem/​
​Wolfram Demonstrations Project​
​Published: September 28, 2007