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15.) Which is an example of non-convex (concave) polygon
A.) Door
B.) star
C.) window​

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Question

Which is an example of non-convex (concave) polygon

Choices

A.) Door

B.) star

C.) window

Answer

From the given choices above the correct answer is C. Window

Explanation

Window have at least one reflex interior angle—that is, an angle with a measure that is between 180 degrees and 360 degrees exclusive just like a concave polygon.

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