Measuring the Area of Regular Polygons: Formula & Examples Chapter 6

The sides and angles of a regular polygon are all _____.

A regular polygon is a flat shape with straight sides whose sides and angle are all equal.

Which of the following is required to find the area of a regular polygon? A: Side length B: Apothem C: Number of sides D: Radius

According to the formula for the area of a regular polygon, you need to know the number of sides, the length of each side, and the apothem.

What is the area of a regular polygon with 10 sides that each measure 3 inches?

Not enough information- To find the area of a regular polygon, you need the number of sides, the side length, and the apothem.

What is the area of a 6 sided regular polygon whose sides measure 7.3 inches with an apothem of 6.3?

Plugging in the numbers into the formula, you get this. Area = 6 * 7.3 inches * 6.3 inches / 2 = 137.97 inches squared.

What is the area of a 5 sided regular polygon whose sides measure 3 inches with an apothem of 2.1 inches?

Plugging the numbers into the formula, you get this. Area = 5 * 3 inches * 2.1 inches / 2 = 15.75 inches squared.