Answer:
1. 18 units squared
2. 45 units squared
3. 21 feet squared
4. 63 yards squared
5. 10 centimeters squared
6. 90 yards squared
7. 84 meters squared
8. 150 inches squared
9. 144 inches squared
10. 68.85 centimeters squared
11. 99 kilometers squared
12. 255 meters squared
Step-by-step explanation:
Because of the shape, it's basically the same as finding the area of a rectangle. I just multiplied each ones width and length together to get the right answer.
Hope this was of use. I had fun answering this. Have a good day/night!
