Answers

2015-02-13T18:57:11+05:30
The sum of angle in quad are always 360 degree
ATQ
x+(x+10)+(x+20)+(x+30)=360
4x+60=360
4x=300
x=75
75+10=85,75+20=95,75+30=105
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2015-02-13T19:02:48+05:30
Angles are x,x+10,x+20,x+30                                                                               acc.to angle sum property of quad.sum of all angles=360                                     now,x+x+10+x+20+x+30=360 =4x+60=360                                                                 4x=300                                                                                                             x=75,x+10=85,x+20=95,x+30=105
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