Constructions & proofs

Geometry & measurement・Intermediate

Basic constructions, and how proofs with congruence, similarity and inscribed angles go.

Choose what to practice.

• Basic constructionsComing soonLearn compass and straightedge geometric constructions.Japanese school year: Junior high 1
• Proofs with congruent trianglesComing soonProve geometric properties using triangle congruence.Japanese school year: Junior high 2
• Proofs with similar trianglesComing soonProve segment ratios and equal angles using similarity.Japanese school year: Junior high 3
• Proofs with inscribed anglesComing soonProve circle properties with inscribed angle theorems.Japanese school year: Junior high 3