maggie123456751
30.10.2020 •
Mathematics
How do I solve for x?
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Ответ:
x=56
Step-by-step explanation:
Set all 3 angles to 180°, as that is how many degrees is in a triangle.
x+x+43+x-31=180
Solve.
3x+12=180
3x= 168
x=56
Ответ: