Two angles are complementary. if on angle measures 71 degrees, what is the measure of the second angle

A complementary angle adds up to 90° so 90-71=19° 

Hope this helps ;)

)because it's going in order of the math sign

Hello! mark me brainliest
answer:
congruent segments
step-by-step explanation:
congruent segments. take a line, cut it in half, superipose one half over the other half; you'll have congruence.