Triangles: Congruence and Properties

This chapter covers the congruence of triangles, including the SAS, ASA, AAS, SSS, and RHS congruence rules, and explores properties of isosceles and equilateral triangles. It emphasizes the importance of correct corresp…

• Two figures are congruent if they have the same shape and the same size.
• Two circles of the same radius are congruent; two squares of equal sides are congruent.
• Congruence is written with vertices in corresponding order: $\triangle PQR \cong \triangle ABC$ means $P\leftrightarrow A$,…

Full explanation, worked examples & memory tricks in the app