CPM Homework Help : CC1MN Problem 10-21

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

An enclosed figure, starting at the upper left corner, right, an unknown amount, down 6 m, right 4 m, down 2.1 m, left 8.2 m, 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 m, left side is 8.1 meters.

Step 2:

Split the figure into two separate rectangles.A segment extending the 4 m 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 sq m.