A Proof that the Vertex Angle Sum of a Pentagram is 180 degrees

The pentagram is a five pointed star. It was used by the ancient Greeks as a symbol of faith.  In this post, we exhibit the mathe..

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A Proof that the Vertex Angle Sum of a Pentagram is 180 degrees

Published on 2012-06-23 01:24:23

The pentagram is a five pointed star. It was used by the ancient Greeks as a symbol of faith.  In this post, we exhibit the mathematics of pentagrams — we show that the sum of the angle measures of its … Continue reading →

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