find the area of the figure. All angles are right angles

Answer:
[tex]310\text{ m}^2[/tex]
Step-by-step explanation:
We have been given a figure and we are asked to find the area of our given figure.
As all angles are right angles, so to find the area of our given figure we will subtract the area of smaller rectangle (10 m by 5 m) from the area of bigger rectangle (20 m by 18 m).
[tex]\text{Area of the figure}=(20\text{ m}\times 18\text{ m})-(10\text{ m}\times 5\text{ m})[/tex]
[tex]\text{Area of the figure}=360 \text{ m}^2-50\text{ m}^2[/tex]
[tex]\text{Area of the figure}=310\text{ m}^2[/tex]
Therefore, the area of our given figure is 310 square meters.