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Parallel and Perpendicular Lines

Parallel and Perpendicular Lines

Example 1

Is line p perpendicular to line r?

Example 2

Is line q perpendicular to line r?

Example 3

Which of these lines are parallel and which are perpendicular?

 

Example 4

What is the measure of ∠RZQ?

Example 5

If the measure of ∠UYZ is 19°, what is the measure of ∠WYP?

 

Example 6

Which lines are parallel? Which lines are perpendicular?

Example 7

The equation of line a is y = -⅕x – 1. If line b is perpendicular to line a and intersects line a when x = 5, what is the equation of b?

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