davia97
29.08.2019 •
Mathematics
Is #30 no solution, or did i mess up?
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Ответ:
9514 1404 393
1800°
Step-by-step explanation:
The interior angles of a convex polygon with n sides have the sum ...
angle sum = (n -2)×180°
For the 12-sided dodecagon, the angle sum is ...
angle sum = (12 -2)×180° = 1800°