### Home > CCG > Chapter 7 > Lesson 7.2.4 > Problem 7-83

7-83.

Use Tromika’s method from problem 7‑78 to find the area of an equilateral triangle with side length

Draw an equilateral triangle.

Draw in the height of the triangle which bisects the base of the triangle. **A line is drawn from point B perpendicular to side A, C.**

Use the Pythagorean Theorem or the

units

Use the height to find the area of the triangle.