Lesson: Areas of Regular Polygons Mathematics • First Year of Secondary School

Students will be able to

• derive and recall the formula for the area of a regular -sided polygon with side length : (note that this is equivalent to ),
• calculate areas of -sided polygons given a side length or perimeter,
• calculate side lengths and perimeters of regular polygons given their areas and number of sides,
• calculate areas of compound shapes that are formed of regular polygons and other shapes.