PLEASE HELP GEOMETRY
In the formula (look at picture), how does each subtraction expression relate to the Pythagorean theorem?
A.Each subtraction expression represents the length of one leg of a right triangle with a hypotenuse of length d.
B.Each subtraction expression represents the length of the hypotenuse of a right triangle with a leg of length d.
C.Each subtraction expression represents half the length of the hypotenuse of a right triangle with a hypotenuse of length d.
D.Each subtraction expression represents the square of the length of the hypotenuse of a right triangle with a hypotenuse of length d.
