the ratio of four angles of a quadrilateral in 2:4:5:7,find the angles
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2*360/18=40 first angle
4*360/18=80 second angle
5*360/18=100 third angle
7*360/18=140 fourth angle
4*360/18=80 second angle
5*360/18=100 third angle
7*360/18=140 fourth angle
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2x+4x+5x+7x=360°=18x=360°=x=360÷18=20
2×20=40
4×20=80
5×20=100
7×20=140
this r the four angles
2×20=40
4×20=80
5×20=100
7×20=140
this r the four angles
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