Isotomic conjugate

Marks the isotomic conjugate of a point in a triangle. Ruler and compass only.

All parts

Part 1 of 7: Rule CP to meet ABStep 1 of 3Ruler

Extend the sides if you need to. Lay the ruler so its edge passes through C and P.

Keys: left and right arrows step, Space plays or pauses, Escape goes back to all constructions.