Tag Archives: geometry

Geometry for Joiners

Posted on April 3, 2012 by dougaj4

A question came up on the ABC Self-Service-Science Forum, asking for a solution to find the dimensions of a diagonal brace looking like the diagram below: The solution is not as simple as it might look because the angle of … Continue reading →

Posted in Coordinate Geometry, Excel, Newton, UDFs, VBA | Tagged , , , , , , | 1 Comment

PaulBourke.net

Posted on July 23, 2011 by dougaj4

Another link from Al Vachris: PaulBourke.net. The link above has a general subject index, and google site search; for a full list of the site content go to the detailed site index. Here’s what the author says about it: “The … Continue reading →

Posted in Computing - general, Coordinate Geometry, Maths, Newton, Ray Tracing | Tagged , , , | Leave a comment

Elegant proofs 3

Posted on December 8, 2008 by dougaj4

At The Math Less Travelled it says: “Did you know that the ratio between the side of any triangle and the sine of the opposite angle is equal to the diameter of the triangle’s circumcircle? I didn’t! I just learned it … Continue reading →

Posted in Maths, Newton | Tagged , , | Leave a comment