Answer:The sum of four exterior angle of quadrilateral is always 360 degrees.
Then 2x+2x-5+x+15+3x-10=360
Step-by-step explanation: 8x-0=360
X=360/8
X=45°
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Answer:The sum of four exterior angle of quadrilateral is always 360 degrees.
Then 2x+2x-5+x+15+3x-10=360
Step-by-step explanation: 8x-0=360
X=360/8
X=45°