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OpenStudy (anonymous):
The angles shown below are supplementary: A pair of supplementary angles is shown. One angle measures 10x and the other angle measures 70 degrees. What is the value of x? 10° 11° 20° 21°
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OpenStudy (dayakar):
11
OpenStudy (dayakar):
10x+70=180 10x=180-70 10x= 110 x=110/10 x=11
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