A directory of useful objects found on the web for teaching Maths.
Define congruence of plane shapes using transformations (ACMMG200) * understanding the properties that determine congruence of triangles and recognising which transformations create congruent figures * establishing that two figures are congruent if one shape lies exactly on top of the other after one or more transformations (translation, reflection, rotation), and recognising the equivalence of corresponding sides and angles
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