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

Students will be able to

• derive and recall that the formula for the area of a circular segment with radius , given an angle measure in radians, , is ,
• calculate the areas of major and minor segments given a radius, and the measure of an arc in radians (or degrees),
• solve multistep problems to find the areas of segments given, for instance, the area of a sector and the radius of the circle,
• solve word problems that involve calculating areas of circular segments.