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An angle made by extending one side of a polygon outward is an:

AExtended anchor
BExpansion arch
CExterior angle
DExponent angle
Answer & Solution
Correct answer: C. Exterior angle
1. The side is carried past the corner. 2. The angle lies outside the shape. 3. That is an exterior angle. _Source: OpenStax Contemporary Mathematics, Chapter 10, Geometry._
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