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6-5 Conditions for Rhombuses, Rectangles, and Squares

6-5 Conditions for Rhombuses, Rectangles, and Squares. *I CAN determine whether a parallelogram is a rhombus or a rectangle. 2. 3. 4. 160°. 20°. 20°. 160°. No. The parallelogram cannot be a rectangle or square because it doesn’t

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6-5 Conditions for Rhombuses, Rectangles, and Squares

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  1. 6-5 Conditions for Rhombuses, Rectangles, and Squares *I CAN determine whether a parallelogram is a rhombus or a rectangle.

  2. 2 3 4

  3. 160° 20° 20° 160° No. The parallelogram cannot be a rectangle or square because it doesn’t have 4 right angles. Not enough info to determine if it’s a rhombus.

  4. bisect 7y – 5 5y + 3 14y – 10 10y + 6 congruent 10y + 6 = 14y – 10 10y – 14y = -10 – 6 -4y = -16 y = 4 4

  5. rectangle parallelogram rhombus Congruent diagonals bisect each other, so you formed a rectangle. Diagonals are perpendicular, so you formed a rhombus. A rectangle that is a rhombus is a square.

  6. Objective Practices • Lesson Check: pg. 386 #1 – 7 • Before you leave class • HW: pg. 386 – 388 #9 – 27 odds

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