Sorry, this page requires a Java-compatible web browser.

This page uses JavaSketchpad. You may drag any of the red points, and the construction will adjust accordingly.

Explanation of the construction: The Secant-Tangent Theorem says CH^2 = CB*CA, so construction 24 is used to construct length CH.

Back to ruler and compass constructions main page.

Back to Ken Brakke's home page.

Susquehanna University assumes no responsibility for the content of this personal website. Please read the disclaimer.