Similar to アルハゼンの定理

Mean width

Parallel (geometry)

Parallel postulate

Heronian triangle

Edge (geometry)

Generatrix

Pompeiu's theorem

Maxwell's theorem (geometry)

Mittenpunkt

Menelaus's theorem

Face (geometry)

Mohr–Mascheroni theorem

Jacobi's theorem (geometry)

Langley's Adventitious Angles

Regiomontanus' angle maximization problem

Inscribed angle theorem

Circle packing theorem

Eyeball theorem

Butterfly theorem

Descartes' theorem

Seven circles theorem

Pappus chain

Monge's theorem

Six circles theorem

Ibn al-Haytham

59239 Alhazen