### Home > A2C > Chapter 3 > Lesson 3.1.6 > Problem 3-86

3-86.

Place the triangle at right on a set of and

*axes so that*

*is located at the origin.*

Find the coordinates of

and.Use the trigonometric ratios to find the other side lengths.

Find the area and perimeter of triangle

.Find the missing side lengths using the trigonometric ratios and then use those to find the area and perimeter.