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


Place the triangle at right on a set of and axes so that is located at the origin.

  1. Find the coordinates of and .

    Use the trigonometric ratios to find the other side lengths.

  2. 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.