What is the angle α between the blue line and the baseline of the orange square?

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geometry puzzles

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- Post author By Marshall W. Buck
- Post date January 4, 2024
- No Comments on The heptagon square

What is the angle α between the blue line and the baseline of the orange square?

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- Post author By Marshall W. Buck
- Post date November 16, 2023
- No Comments on Seven chords

A regular 7-gon inscribed in a circle (ABCDEFG), with some other point H on the circle, in the arc CD. Show that the length sum of the blue chords equals the length sum of the green chords.

- Tags circle, heptagon, length, proportion