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McGraw Hill Glencoe Geometry, 2012

MH

McGraw Hill Glencoe Geometry, 2012 View details

3. Tests for Parallelograms

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Exercise 59 Page 421

Perpendicular lines have slopes that are opposite reciprocals of one another.

not perpendicular

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Perpendicular lines have slopes that are opposite reciprocals of one another. If the slopes of two lines are opposite reciprocals, their product is

- 1 .

Therefore, to determine if the lines are perpendicular or not, we need to find their slopes using the Slope Formula.

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Subchapter links

Check Your Understanding p.417-418

H.O.T. Problems p.420

Standardized Test Practice p.421

Spiral Review p.421

Skills Review p.421