### Home > PC > Chapter 5 > Lesson 5.1.3 > Problem 5-37

5-37.

An equilateral triangle has an edge length of . What is the area of the triangle in terms of

*? Use exact (not calculator) values.*

1. Draw a diagram.

2. Drop a perpendicular line from one of the vertices to the opposite side.

3. Label the sides. Find the height.

4. Use the formula for the area of a triangle.