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20.12.2020 •
Mathematics
Find the measures of angles 1, 2, and 3
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Ответ:
2 = 120
3 = 25
triangles have total angles of 180 40+80=120
180-120=60
straight lines have total angles of 180
180-60=120
triangles have total angles of 180
120+35=155
180-155=25
Ответ: