Hey there! This is the correct sentence.
Proving the converse of the Pythagorean theorem means that for any triangle ABC with verticles of a, b, and c such that angles triangle ABC is not a right triangle.
verticles
angles
side lengths
is not a right triangle
is a right triangle
(a+b)^2 =c^2
a^ 2 x b^2=c^2
a^2+b^2=c^2