Respuesta :
Answer:
135°
Step-by-step explanation:
An angle of 45° has a supplementary angle of 180° - 45° = 135°
Answer: 135
Step-by-step explanation:
Two angles are said to be supplementary if they sum up to be 180.
Let the supplementary angle to 45 be x ,
then :
x + 45 = 180
x = 180 -45
x = 135