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7.2/7.3 Parallelograms!

7.2/7.3 Parallelograms!. Learning Objective: to identify and classify parallelograms and prove that figures are special types of parallelograms. Warm-up (IN). List all the characteristics of parallelograms that you know. *Opposite sides congruent. *Opposite sides parallel.

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7.2/7.3 Parallelograms!

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  1. 7.2/7.3 Parallelograms! Learning Objective: to identify and classify parallelograms and prove that figures are special types of parallelograms. Warm-up (IN) • List all the characteristics of parallelograms that you know. *Opposite sides congruent *Opposite sides parallel *Opposite angles congruent *Diagonals Bisect each other

  2. Learning Objective: to identify and classify parallelograms and prove that figures are special types of parallelograms. Notes Ways to prove a figure is a parallelogram - 1 – show that both pairs of opposite sides are parallel 2 – show that both pairs ofopposite angles are congruent 3 – show that one pair ofopposite sides are both congruent and parallel 4 – show that diagonals bisect each other CKC p. 349 #1 and 2

  3. Learning Objective: to identify and classify parallelograms and prove that figures are special types of parallelograms. Ex 1 – plot the points and show that they are the vertices of a parallelogram: (-1,5), (2,4), (-2,2), (-5,3)

  4. Learning Objective: to identify and classify parallelograms and prove that figures are special types of parallelograms. Ways to prove a parallelogram is a rectangle - 1 – show that the diagonals are congruent 2 – show that ONE angle is right Ways to prove a parallelogram is a rhombus - 1 – show that the diagonals are perpendicular 2 – show that 2 consecutive sides are congruent Conditional statements!

  5. Learning Objective: to identify and classify parallelograms and prove that figures are special types of parallelograms. B A K N Ex 2 – classify the quadrilateral. Be as specific as possible. a.

  6. Learning Objective: to identify and classify parallelograms and prove that figures are special types of parallelograms. S P H O b. Construction p. 350 CKC p. 355 #1 - 3

  7. Out – Use a property of parallelograms to explain why you only need one right angle to prove it’s a rectangle. POW!! Summary – I think I can remember… HW – p. 349 #1-6, 16-20, 27, p. 356 #2-10

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