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Answer :

Answer:

the angle sum of quadrilateral is 360 degree

x+2x+3x+4x = 360

10x=360

x= 360/10

x= 36

1 angle= 36

2 angle= 2*36=72

3 angle =3*36=108

4 angle= 4*36= 144

Step-by-step explanation:

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