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6.3 – Conditions for Parallelograms DAY 1

Thm 6.3.2 If both _____ of opposite sides of a quadrilateral are __________, then it is a _____________. . Thm 6.3.3 If both ______ of opposite angles of a _____________ are congruent, then the quadrilateral is a ______________. . 6.3 – Conditions for Parallelograms DAY 1. Thm 6.3.4

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6.3 – Conditions for Parallelograms DAY 1

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  1. Thm6.3.2 If both _____ of opposite sides of a quadrilateral are __________, then it is a _____________. Thm6.3.3 If both ______ of opposite angles of a _____________ are congruent, then the quadrilateral is a ______________. 6.3 – Conditions for Parallelograms DAY 1

  2. Thm 6.3.4 If an ______ of a quadrilateral is _______________________ to both of its ____________ angles, then the __________ is a parallelogram. Thm 6.3.5 If the _________ of a quadrilateral _______ each other, then the ___________ is a parallelogram.

  3. Ex 1: Show that JKLM is a parallelogram for a = 3 and b = 9.

  4. Ex 2: Show that PQRS is a parallelogram for x = 10 and y = 6.5.

  5. Ex 3: Show that PQRS is a parallelogram for a = 2.4 and b = 9.

  6. Ex 4: Determine if the quadrilateral must be a parallelogram. Justify your answer. Ex 5: Determine if the quadrilateral must be a parallelogram. Justify your answer.

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