Question

two angles are called supplementry angles if the sum of their measure is 180.

Answer 1

yes true
two angles are supplement of each other if their sum gives us 180° and these Angles together are called supplementry angle

Answer 2

hlo mate.

here is your answer.

_____________________

yes it's true that two angles are called supplementary if the sum of the measure is 180 degree.

_____________________________

hope it helps you.

thanks