Alright so, a^2 + b ^2 = c^2.
7^2 + b^2 = 60^2
14 + b^2 = 120
-14 -14
————————
B^2 = 106
*square root* b^2 (square root and 2 cancel each other out)= *square root* 106
B = 106
X = 106
I THINK!
I’m really sorry if I’m wrong, I would wait for a second opinion lol.