### Home > MC2 > Chapter 2 > Lesson 2.3.5 > Problem 2-137

2-137.

Use any of your new **strategies** to find the area of the shapes below. The information in the Math Notes boxes may help. Assume the shape in part (a) is a parallelogram, and the shape in part (b) is a trapezoid. .

Form a rectangle using the left portion of the parallelogram. Then find the area of the rectangle.

When the trapezoid is copied and rotated, a parallelogram can be formed.

Form a parallelogram using the rotated trapezoid.

Now find the area of the parallelogram.

Use this area to find the area of the original trapezoid.

Use the eTool below to help you with this problem.

Click the link to the right for the full version of the eTool: *MC2 2-137 HW eTool*