Proposition 20: Of every triangle, any two sides joined together are longer than the side remaining.
#EuclideanGeometry #omnisTrianguli

and then he’s just like “lol draw a triangle" (but in Latin)

Proposition 19: Of every triangle, the greatest angle is opposite to the longest side.
#EuclideanGeometry #omnisTrianguli

Proposition 18: Of every triangle, the longest side is opposite to the greatest angle.
#EuclideanGeometry #omnisTrianguli

Proposition 17: Of every triangle, any two angles are smaller than two right angles.
#EuclideanGeometry #omnisTrianguli