Lesson: Areas of Circular Sectors Mathematics • First Year of Secondary School

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In this lesson, we will learn how to find the area of a circular sector and solve problems that relate this area to the arc length and perimeter of the sector.

Lesson Plan

Students will be able to

recognize the formulas for calculating the area of a sector when the measure of the arc is given in degrees or radians,
calculate the area of a sector,
solve related problems involving areas and perimeters of sectors.