3. Show that the regular 20-gon is constructible. 4. Show that the regular 30-gon is constructible. 5. Show that the angle 72°

Question

3. Show that the regular 20-gon is constructible.
4. Show that the regular 30-gon is constructible.
5. Show that the angle 72° can be trisected.
6. Show that the regular 15-gon can be constructed.

Kunduz · Accepted Answer

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