Sagot :
Answer:
1. m<a = 60°
2. m<c = 90°
3. m<e = 130°
Step-by-step explanation:
These are supplementary angles, meaning they add up to 180°. To find the missing angle, you must:
180 - degree of angle = degree of missing angle
subtract the degree of the other angle from 180 to get the degree of the missing angle