Mathematics, 05.02.2020 01:56 proutyhaylee

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. this statement is not reversible
b. yes, if angles are complementary, than their sum measures 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

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