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Lesson 8-4

I can recognize and apply properties of rectangles. I can determine whether parallelograms are rectangles. Lesson 8-4. quadrilateral. 4 right angles. All rectangles are parallelograms!. R. S. 6x + 3 = 7x – 2. 5 = x. U. T. R. S. 8x + 3 + 16x – 9 = 90. x = 4. 8x + 3. 16x – 9.

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Lesson 8-4

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  1. I can recognize and apply properties of rectangles I can determine whether parallelograms are rectangles Lesson 8-4

  2. quadrilateral 4 right angles All rectangles are parallelograms!

  3. R S 6x + 3 = 7x – 2 5 = x U T

  4. R S 8x + 3 + 16x – 9 = 90 x = 4 8x + 3 16x – 9 35° U T

  5. 2x – 4 36 2x – 4 = 36 x = 20

  6. Your turn 66 33 6x + 3 = 7x – 2 x = 5

  7. B  parallelogram (0.5,0.5) mp of AC = C (0.5, 0.5) mp of BD = A D Dist AC =  rectangle Dist BD = Diagonals bisect each other AND are congruent

  8. (2.5,4.5) mp of LG =  parallelogram G (2.5, 4.5) B mp of BH = H L Dist LG =  Not a rectangle Dist BH = Diagonals are not congruent

  9. ASSIGNMENT 8-4 worksheet, do #1-4 Quiz on Thursday

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