Three angles of a quadrilateral are equal and the forth measures 135degree .find the measures of each angles.
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Let the three equal angles be x° each.
=> (x + x + x + 135)° = 360°
=> 3x + 135° = 360°
=> 3x = 225°
=> x = 75°
=> (x + x + x + 135)° = 360°
=> 3x + 135° = 360°
=> 3x = 225°
=> x = 75°
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