Answered

Two angles are supplementary. If ∠A measures 72.5°, what is m ∠B?

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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°