### Home > INT2 > Chapter 8 > Lesson 8.2.2 > Problem 8-50

8-50.

What is the area of a regular decagon if the length of each side is 20 units? Homework Help ✎

Find the measure of a central angle.

Use this to determine the height of one of the triangles.

Find the area of one of the triangles.

Find the total area.

3077.7 un^{2}