Formulate proofs involving congruent triangles and angle properties (ACMMG243)
Outcomes
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Write formal proofs of the congruence of triangles, preserving matching order of vertices
Examples
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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