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We know,

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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