Question

What is the length of (Line) AB?

sqrt 53
5
2(sqrt 10)
2(sqrt 6)

I will try to put image in after posting..

Answer 1

Use Pythagorean theorem?

Answer 2

Im guessing I use multiple equations of "A2+B2=C2"? Just like work my way around?

Answer 3

That is the Pythagorean Theorem.

\[a^2 + b^2 = c^2 \]