Respuesta :
Answer:
51.1°
Step-by-step explanation:
supplementary angles add up to 180 so we take 180-128.9=51.1
Answer:
51.1°
Step-by-step explanation:
i really just had a test on this in 7th grade
Answer:
51.1°
Step-by-step explanation:
supplementary angles add up to 180 so we take 180-128.9=51.1
Answer:
51.1°
Step-by-step explanation:
i really just had a test on this in 7th grade