Lesson: Arc Lengths Mathematics

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In this lesson, we will learn how to find the arc length and the perimeter of a circular sector and solve problems including real-life situations.

Lesson Plan

Students will be able to

recognize the formulas for calculating arc length when the measure of the arc is given in degrees or radians,
calculate the length of a sector’s arc,
calculate the perimeter of a sector,
calculate the radius of a sector when given the measure of the arc and the length of the arc (or the perimeter).