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Verified answer
AD = 180°AD = AB + BD
180 = 2x + 5x + 5
180 = 7x + 5
7x = 180 - 5
x = 175/7
= 25°
∆ABC = 180°
2x = 2.25 = 50°
3x - 15 = 3.25 - 15 = 75 - 15 = 60°
BAC = 180 - 50 - 60 = 70°
Verified answer
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