The Pythagorean Theorem for right triangles states that if a and b are the
lengths of the legs of a right triangle and c is the length of the hypotenuse,
then a2 C b2 D c2
I don't kn ow what your C and D indicate, but
a^2 + b^2 = c^2 (Pythagorean theorem)
Online "^" is used to indicate exponents.