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Unit 5 Quadrilaterals - Coggle Diagram
Unit 5 Quadrilaterals
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5.1 polygons
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Interior Angle sum of triangle is 180, interior angle sum of a quadrilateral is 360
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5.2 Parallelograms
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Properties: AB=CD,AD=BC,AB‖DC,AD‖BC
Angle A=Angle C, Angle D= Angle B
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PROVE A PARALLELOGRAM
If both pairs of opp sides of a quad are ‖, then the quad is a parallelogram
If both pairs of opp sides of a quad are congruent, then the quad is a parallelogram
If the diagonals of a quad bisect each other, then the quad is a parallelogram
If one pair of opp sides of a quad are ‖ and congruent, then the quad is a parallelogram
5.3 Rectangle, Rhombus and Square
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Rectangle Properties: AB=CD,AD=BC,AB‖CD,AD‖BC
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Point symmetry, line symmetry
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Square
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Properties
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diag AC=BD+perpendicular, same as the other pair
point symmetry, line symmetry