Respuesta :
Answer:
40 degrees
Step-by-step explanation:
Supplementary angles are angles in which their measures combined add up to 180 degrees. So we can set up an equation:
140+x=180
x=40
So the other supplementary angle is 40 degrees
Answer:
40 degrees
x + 140 = 180
x = 40 degrees
Step-by-step explanation: