# Trisecting the Angle/Conchoid of Nicomedes

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## Theorem

Let $\alpha$ be an angle which is to be trisected.

This can be achieved by means of a conchoid of Nicomedes.

## Construction

## Proof

## Also see

## Historical Note

While Nicomedes originally designed his conchoid for Doubling the Cube, it can also be used for the technique of trisecting an angle.

## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): $3$ - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): $3$