CPM Homework Help : MC1 Problem 6-124

Find the area of the figure at right. All angles are right angles. Show your work.

An enclosed figure, starting at the upper left corner, right, an unknown amount, down 6, right 4, down 2.1, left 8.2, up, an unknown amount, to enclose the figure.

Step 1:

Find the lengths of the missing sides. Unknown lengths added to the figure as follows: top is 4.2, left side is 8.1.

Step 2:

Split the figure into two separate rectangles. A segment extending the 4 sq units line to the left, added creating 2 rectangles.

Step 3:

Find the areas of the rectangles and add them together.

Answer:

The area of the figure is $42.42$ square units.