Lesson: Parallel and Perpendicular Lines

In this lesson, we will learn how to determine if two lines are parallel or perpendicular and use these geometrical relationships to solve problems.

Video

17:53

Q1:

Let be the line on points and . What is the slope of the perpendicular to that passes through the origin ?

Q2:

Given that is a trapezium, where , and the coordinates of points , , , and are , , , and , respectively, find the coordinates of point .

Q3:

If the two straight lines and are parallel, find the value of .

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