The ratio of four angle of a quadrilateral is 7:5:4:2. Calculate the difference between the largest angle and smallest angle
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let angles be 7x ,5x ,4x ,2x
sum of angles ina quadrilateral is 360
7x+5x+4x+2x=360
18x=360
x=20
7x=140,2x=40
difference is 100
sum of angles ina quadrilateral is 360
7x+5x+4x+2x=360
18x=360
x=20
7x=140,2x=40
difference is 100
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