Answer:
Don't have an answer but I will explain what to do.
Explanation
You're going to mark the point's on your graph paper, then make a right triangle, after that you're going to count over how many square's there are until you run to the end of the right triangle and also do that for both sides. After you found out what the number is you are going to multiply that number by it for both of them. Then after you found that out your going to take your calculator and press 2nd and X2 and put your number after that. Hope this helps!