Answer:
Its a right angle triangle so trigonometry is used.
a is the hypotenuse, b is the adjacent.
Use sin to find a. Use tan to find b.
Areas are measured in km2, not in km.
Answer:
The answer is B. 30 seconds
They can give them flaws and gave them overcome those flaws! Maybe it causes problems in the long run and they have to fix it to solve those problems?