The
ongles of quadriladrid
50, 40 and 23 Find its fourth angle.
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Answer:
67 because co interior angles are complementary
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Let the fourth angle be x
In a quadrilateral the sum of all angles is 360°
ATQ
50°+40°+23°+x=360°
113°+x=360°
x=360-113°
x=247°
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