Lesson: Parallel, Perpendicular, and Intersecting Lines in Space Mathematics • Third Year of Secondary School

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In this lesson, we will learn how to find the equation of a straight line that is parallel or perpendicular to another one in space and find the intersection point between two lines.

Lesson Plan

Students will be able to

find the equation of a straight line in space that is parallel or perpendicular to a given line,
identify cases where two straight lines are coincident,
identify whether two given lines are parallel, perpendicular, intersecting, coincident, or skew,
find the intersection point of two lines.