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The exterior angle of a regular polygon is found from a formula using its:
ASide curve
BSide chord
CSide count
DSide colour
Answer & Solution
Correct answer: C. Side count
1. The angle is formed by extending a side.
2. The same angle appears at every vertex.
3. The formula depends on the number of sides.
_Source: OpenStax, Contemporary Mathematics, Ch 10 'Geometry'_
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