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Pre-Calculus Homework Solutions 247

# Pre-Calculus Homework Solutions 247 - 61 8 5 Opposite sides...

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249 Chapter 8 61. AB is a side. Find the slope of AB . m y x 2 2 y x 1 1 5 2 ( ( 2 5 ) ) 7 3 62. BD is a diagonal. Find the slope of BD . m y x 2 2 y x 1 1 1 9 ( 5 2) 14 63. CD is a side. Find the slope of CD . m y x 2 2 y x 1 1 9 1 ( 2 2) 7 3 Tests for Parallelograms Page 417 Geometry Activity: Testing for a Parallelogram 1. They appear to be parallel. 2. The quadrilaterals formed are parallelograms. 3. The measures of pairs of opposite sides are equal. 4. Opposite angles are congruent, and consecutive angles are supplementary. 5. Opposite sides are parallel and congruent, opposite angles are congruent, or consecutive angles are supplementary. Pages 420–421 Check for Understanding 1. Both pairs of opposite sides are congruent; both pairs of opposite angles are congruent; diagonals bisect each other; one pair of opposite sides is parallel and congruent. 2. Sample answer: 3. Shaniqua; Carter’s description could result in a shape that is not a parallelogram.
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