in a quadrilateral, /A=/B=78°and /D=107°,find /C
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Answer:
C = 97°
Step-by-step explanation:
According to the angle sum property of a quadrilateral, sum of all the angles of a quadrilateral = 360°
so, A + B + C + D = 360°
=> C = 360 - A - B - D
=> C = 360 - 78 - 78 - 107 = 97°
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