Angles of a quadrilateral are in the ratio 6 : 3 : 4 : 7. The sum of the smallest and largest angles of the quadrilateral is:
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Step-by-step explanation:
Let common factor be x
Therefore angles
6x,3x,4x,7x
According to condition
20x=360
x=360/20=18
Therefore angles
108
54
72
126
Therefore largest angle is 126
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