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Square Construction 001

Square Construction 001

MEDIAN Don Steward secondary maths teaching: constructing regular polygons

Animating the process of the basic construction of regular geometric shapes with only a compass and ruler Sourse (http://adamplouff.com/211254/4526975/w... - Math - Google+

As a personal study to understand the basic construction of regular geometric shapes with only a compass and ruler, I found it hard to remember each step. Animating the process seemed like the best way to document for future reference.

mathani:  It’s my second birthsday today. I posted 50 times in the last year (145 in the first). Your reception has been great, thanks. Two posts in particular gathered million+ notes together!? Here’s to another year.  Also, I’m starting an alphabet series:  A for Astroid  Two circles with radii one-quarter and three-quarters the radius of the fixed circle are rolling inside. Points on their circumference both trace this four-cusp curve.

A for Astroid Two circles with radii one-quarter and three-quarters the radius of the fixed circle are rolling inside. Points on their circumference both trace this four-cusp curve.

rotation of center around another center at radial distance, the quadrant points of this rotating circle traverse straight lines on the larger one...wow...

I made a thing! - One point simply rotates around the origin (over the dotted circle). The other four points are attached to the smaller circle centered at the aforementioned point. The smaller circle.

Raven Warrior Violet — trocheford: Rainbows and spheres and lines.

✣… Realize the vastness that is there underneath Thought - and that is the Arising of a New dimension of Consciousness … ✣ Eckhart Tolle

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