Question

4) The measure of
supplementary angle of 120°is​

Answer 1

suplementary means sum of 2 angle id 180 and complementary is sum of 2 angle is 90...

so, supplementary angle of 120 is ===>180-120

===>60 degree

Answer 2

Answer:

The measure of supplementary angle of 120° is -

= 180° - 120°

= 60°