Respuesta :

Answer: 180 degrees

Step-by-step explanation: Two angles are called supplementary when their measures add up to 180 degrees.

Answer:

If the sum of the measure of two angles is 180.0

Step-by-step explanation:

then the angles are said to be supplementary angles, whereas if the sum of measures of two angles is 90 0 then the angles are called complementary angles. Supplementary angles together form a straight line whereas complementary angles together form a right angle.