Tag Archives: geometry

Geometry for Joiners

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


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

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

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