Three angles of a trapezium are 110°, 50° and 40°. Find its fourth angle.
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4
Answer:
160
Step-by-step explanation:
because sum of all angles of quadrilateral are 360 degree and the three angle is given .
so, Let the fourth angle be x
110 +50 +40 +x = 360
200 + x = 360
x= 360-200
x= 160
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