Lesson: Perpendicular Bisector of a Chord Mathematics • Third Year of Preparatory School

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In this lesson, we will learn how to use the theory of the perpendicular bisector of a chord from the center of a circle and its converse to solve problems.

Lesson Plan

Students will be able to

understand that the straight line passing through the center of a circle and the midpoint of a chord is perpendicular to this chord and solve problems to find unknown lengths and angles,
understand that the straight line passing through the center of the circle, which is also perpendicular to a chord, bisects this chord and solve problems to find unknown lengths,
understand that the perpendicular bisector of any chord in a circle passes through the center of this circle.