Respuesta :

demilade25

Answer:

180°-(68°+37°)→→→→→→→→sum of angles on a straight line.

180-105=75°

delancygenius

Point to be kept in mind : the sum of angle of a straight line is 180°!

Thus,

68+ X + 37 = 180

=> 105 + X = 180

=> X = 75°

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