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Which of the following polygons is a concave polygon?

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answer is C.

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Detailed Solution

A concave polygon is a polygon that has at least one interior angle greater than 180 degrees.

Among the given shapes, (A), (B) and (D), all the interior angles measure less than 180^o.

Therefore, these are the convex polygon among the given shapes.

Thus from the given polygons, Question Image is the only concave polygon.

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