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The measures of angle
of angle of a quadrilateral
(x+20) (x-20) (2x+5) 2 (2x-5) find value of x
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Answer:
21.875
Step-by-step explanation:
x+20+x-20+2x+5+4x-10=180
8x-5=180
8x=175
x=21.875
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