1.

Among the following, which indicates the formula for balancing angles of closed traverse?

A. ∑ Interior angles = (n+2) * 1800
B. ∑ Interior angles = (n-2) / 1800
C. ∑ Exterior angles = (n-2) * 1800
D. ∑ Interior angles = (n-2) * 1800
Answer» E.


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