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Given the circumference of a circle, construct its center using the compass alone. |
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| Construct the Peaucellier's linkage using the compass alone. | |
| Given a circle and two points, construct the points of intersection of the line joining the two points with the circle using the compass alone. | |
| Construct the vertices of a regular pentagon using the compass alone. |
| Construct the linkage to draw an ellipse using the compass alone. |
| Construct the Bowditch Curve using the compass alone. |
| Construct the ellipse and the hyperbola using the compass alone. | |
| Construct the parabola using the compass alone. |