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mochoa4
04.07.2019 •
Mathematics
Angle a and angle b are supplementary angles. if m angle a = (5x+2) and m angle b = (8x+9) , then find the measure of angle b
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Ответ:
5x+2+8x+9=180
17x+11=180-11
17x=169
x=169divided by 17
x=9.9411
x=10 when rounded into the next value
8x*10=80+989
Ответ: