I believe this is Pythagorean theorem
The equation is
a^2+b^2+=c^2
In this case the equation would be
6^2+4^2=c^2
36+16=c^2
52=c^2
c=7.21110255093
The statement is true, but the inverse is false.
Jose lost 120
50-120= -70
Ling lost 80
50-80= -30
Ling won because he had -30 while Jose had -70
