Sagot :
Answer:
∠B = 107.5°
Step-by-step explanation:
supplementary means equal to 180°
∠A + ∠B = 180°
72.5° + ∠B = 180°
∠B = 180° - 72.5°
∠B = 107.5°
Answer:
∠B = 107.5°
Step-by-step explanation:
supplementary means equal to 180°
∠A + ∠B = 180°
72.5° + ∠B = 180°
∠B = 180° - 72.5°
∠B = 107.5°