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Published byEarl Shields Modified over 6 years ago
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Warm Up Solve for x. x x + 1 = 90 4x + 2 = 90 4x = 88 x = 22
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Questions over HW?
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Skills Check
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Parallel Lines, Transversals
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Parallel Lines & Transversals
Geogebra Link
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Corresponding Angles Same location but at different intersections (only travel on the transversal) Are congruent Equation: angle = angle
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Alternate Interior Angles
Opposite sides of the transversal & inside the parallels Are congruent Equation: angle = angle
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Consecutive Interior Angles
Same side of the transversal & inside the parallels Are supplementary Equation: angle + angle = 180
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Alternate Exterior Angles
Opposite sides of the transversal & outside the parallels Are congruent Equation: angle = angle
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Which path? Same path: Angles are congruent. 11 10 13 12 15 14 17 16
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Angles are supplementary.
Which path? Same path: Angles are congruent. 11 10 13 12 15 14 17 Not on the same path: Angles are supplementary. 16
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Practice #1 Find all the missing angles if Angle 1 = 70˚
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Practice #2 Find x and Angle 2 x = 15 and Angle 2 = 50˚
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Practice #3 Find x and y x = 6 and y = 20
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Application
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Bonus Find x x = 48
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Bonus Find x x = 19
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Bonus Find x x = 64
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