CPM Homework Banner

Home > GC > Chapter 8 > Lesson 8.1.5 > Problem 8-52


Find the area of an equilateral triangle with side length mm. Draw a diagram and show all work.  

An equilateral triangle with sides length 20.0 millimeters. All three angles are 60 degrees. A dashed line is drawn from the upper vertex to the base forming a right angle.