Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
α and β are Supplementary (given)
It is given that:
Plugging the value of α in equation (1), we find:
So,

Answer:
B. Complementary Angles
Step-by-step explanation:
They both make up 90 degree angle.
Answer:
50
Step-by-step explanation:
the answer is 50 becuz it is