Ответ:
<А=2х, <В=3х, <С=х
2х+3х+х=180°
6х=180°
х=180°/6=30
<А=2×30=60°
<В=3×30=90°
<С=30°
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Ответ:
<А=2х, <В=3х, <С=х
2х+3х+х=180°
6х=180°
х=180°/6=30
<А=2×30=60°
<В=3×30=90°
<С=30°