Dynamic Geometry: Eyeball Theorem, circles, tangents, chords. HTML5 Animation for Mobile Devices.
Given two circles of centers A and B, draw the tangents
AC, AD, BE, and BF from the center of each circle to the
other. Then the chords MN and PQ are of equal length.
Teorema del #GloboOcular: dados dos círculos que no se cortan, las cuerdas en cada ⭕️ determinadas por las tangentes a la otra miden igual pic.twitter.com/ApckIOX0qi