Are these correct? If not, why?
1. He is about five
foot five. (What does 'five foot five' mean?)
2. He is about five
feet five. (If 'feet' is wrong here, why?)
3. He is about five
feet. (Correct? If #2 is incorrect, why is #3 correct?)
4. He is about five
foot. (Incorrect? If this is incorrect, why is #1 correct?)