1003021705

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Project ID: 
1003021705
Accepted: 
1
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0
Easy: 
1
Calculate the measures of interior angles \( \alpha \), \( \beta \) and \( \gamma \) of a triangle if \( \gamma=2\beta \) and \( \beta=3\alpha \).
\( \alpha=18^{\circ};\ \beta=54^{\circ};\ \gamma=108^{\circ} \)
\( \alpha=15^{\circ};\ \beta=45^{\circ};\ \gamma=90^{\circ} \)
\( \alpha=12^{\circ};\ \beta=54^{\circ};\ \gamma=111^{\circ} \)
\( \alpha=54^{\circ};\ \beta=18^{\circ};\ \gamma=108^{\circ} \)