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Sum of all interior angles of a triangle is 180 degrees
therefore, 85 + 25 + BAC = 180
or, 110 + BAC = 180
BAC = 180-110
BAC = 70 degrees
Now, BAD + BAC = 180 (Hint: angles on a straight line, sum is 180 degrees)
So, BAD = 180 - BAC
BAD = 180-70
BAD = 110
or, m = 110
Answer: m <BAD = 110
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