Question

Is the following definition of complementary reversible? If yes, write it as a true biconditional.

Complementary angles are two angles whose sum measures to 90 degrees.

A) The statement is not reversible.
B) Yes, if angles are complementary, then their sums measure up to 90 degrees.
C) Yes, angles are complementary if (and only if) their sum measures to 90 degrees.
D) Yes, angles are complementary if their sum measures to 90 degrees.