Secant Intersection with Two Internally Tangent Circles
Initializing live version
Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
If two circles are internally tangent at point A and a secant intersects the circles at B, C, D, and E, then BAD = CAE.[more]
Drag the orange points to change the figure.[less]
Contributed by: Jay Warendorff (March 2011)
Open content licensed under CC BY-NC-SA
"Secant Intersection with Two Internally Tangent Circles"
Wolfram Demonstrations Project
Published: March 7 2011