1. Inches.
2. Car sizes vary from 15 ft, to 20 ft, and even to 13 ft. It all depends on the size the manufacturer wanted it to be. But if you are asking what is the best way to measure a car, it would be yards. Or meters, but a yard is slightly bigger.
3. 7 1/2 hours.
4. A parallelogram , a quadrilateral, a square, and a rectangle.
5. 180°.
Hope this helped!
