SOLUTION: < A is a supplement of < B and is a right angle, then what is m

SOLUTION: < A is a supplement of < B and is a right angle, then what is m < B in degrees?

Question 904430: < A is a supplement of < B and is a right angle, then what is m < B in degrees?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
180�-A = B
180�-90� = B
90� = B
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