please help me with this.Thank you very much

please help me with this.Thank you very much Use the lettered angles to find all the angles inside these triangles and quadrilaterals.

By using angle sum property of quadrilateral answer can be found easily

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3x=60
4x=80
8x=160
3x=60
x=20
 
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3x+4x+8x+3x=360?
18x=360?
x=360?/18
x=20?
3x=3*20=60?
4x=4*20=80?
8x=8*20=160?
3x=3*20=60?
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I hope this will help you. Thanks

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3x + 3x + 4x + 8x = 360?
18x = 360?
x = 360 ? 18
x = 20.

3x = 60?
3x = 60?
4x = 80?
8x = 160?
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What are you looking for?