I really don’t know sorry bro
9 miles, you dont even need much math, just common sense. divide 12 by 4 and you get three. multiply 3 by 3 to get 9.
The area of the triangle is 12.72unit
Questions are USUALLY answered within 10 minutes.
Therefore, you're questions might be complicated, hard, or incomplete.
Actual people are answering these questions, so obviously the easier questions get answered first.