Three angles of a quadrilateral are 60°,110°and 86°. The fourth angle of the quadrilateral
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5
Answer:
74°
Step-by-step explanation:
sum of all angles of quadrilateral = 360°
60 + 110 + 86 + x = 360°
286 + x = 360°
x = 360 - 286
x = 74°
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