### Home > INT2 > Chapter 9 > Lesson 9.3.1 > Problem 9-90

9-90.

Copy the trapezoid at right on your paper. Then determine its area and perimeter. Keep your work organized so that you can later explain how you solved it.

Use triangle identities to find the lengths of the two missing sides.

To find the total area, solve for the areas of the two triangles and rectangle separately and then add those areas together.