If <A = (4x + 2)°, the measure of the complementary of <A is equal to (a) (178 + 4x)° (b) (88 – 4x)° (c) (4x + 88)° (d) (6x – 178)°

Solution: 90°, as they add up to 180°

Base pairing rule is followed; A = T and G ≡ C

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