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Establish properties of quadrilaterals using congruent triangles and angle properties, and solve related numerical problems using reasoning(ACMMG202)
LO:To determine the properties of quadrilaterals using congruent triangles.
The definition of congruence
Quadrilaterals are shapes that have 4 sides and 4 angles.
That the properties of quadrilaterals can be found using congruent triangles.
I can determine the properties of quadrilaterals using congruent triangles.
Triangle Congruency Rules
SSS – Side, Side, Side Congruence
RHS (Right-angled Triangles) – Right, Hypotenuse, Side
Different Types of Quadrilaterals
Congruence within Quadrilaterals Videos