6.The angles of a quadrilateral are in the ratio 3:4:5:6. Find the angles. Single choice.
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Step-by-step explanation:
Let the angle be 3x 4x 5x and 6x
Sum of all angle of quadrilateral= 360
therefore
3x+4x+5x+6x = 360
18x = 360
x = 20
3x = 60
4x= 80
5x = 100
6x = 120
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