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17. In the figure,ABD = 3 < DAB, andBDC = 96", findABD96°

Answer»

In triangle ABD

Angle BDA = 180 - 96 =84 by linear line propertySum of all angles of triangle is 180Let angle DAB be x then angle ABD is 3x

Remaining ans

x + 3x + 84 = 1804x = 96x =24

Angle ABD = 3x = 72 degree



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