Answer :
Answer:
Step-by-step explanation:
SUPPLEMENTARY angles sum to 180 degrees
Let 'x' be the missing angle:
42° + x° = 180°
x = 180 - 42
x = 138°
Answer:
Step-by-step explanation:
SUPPLEMENTARY angles sum to 180 degrees
Let 'x' be the missing angle:
42° + x° = 180°
x = 180 - 42
x = 138°