Respuesta :
Answer:
7
Step-by-step explanation:
The sum of two supplementary angles is always 180. 180 - 173 is 7, so the measure of the missing angle is 7.
Answer:
7
Step-by-step explanation:
The sum of two supplementary angles is always 180. 180 - 173 is 7, so the measure of the missing angle is 7.