### Home > CCA > Chapter A > Lesson A.1.1 > ProblemA-9

A-9.

Consider the rectangle at right.  Homework Help ✎

1. Find the perimeter of the large outer rectangle shown at right.

• You can find the missing side length using the area and side length given for the upper left inner rectangle.

• $52$ units

1. Notice that the areas of two of the parts have been labeled inside the rectangle. Find the total area. Remember to show all work leading to your solution.

• $168$ square units

 $5$ $40$ $6$ $30$ $7$