Formulate proofs involving congruent triangles and angle properties (ACMMG243)
Outcomes

Write formal proofs of the congruence of triangles, preserving matching order of vertices
Examples

Use the congruence of triangles to prove properties of the special quadrilaterals, such as: CCT
the opposite angles of a parallelogram are equal
the diagonals of a parallelogram bisect each other
the diagonals of a rectangle are equal
Examples