Euclid's Muse

your source for INTERACTIVE math apps

Create an Account

And the envelope please…

Profile picture of Duncan




What is the phantom curve you see when you look at a set of lines, perpendicular to a set of chords through a common point in a circle?

Tags: envelope, circle, ellipse, hyperbola
thumb Open Fullscreen
Download App Link Embed
Paste this code into your webpage as html:

« circle intersections Pascal's Limacon »

© Saltire Software Terms and Conditions