Grade 9 Math: Intro to Geometry Polygons

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What is a polygon?

A polygon is any 2-dimensional shape formed with straight lines
A polygon is any 3-dimensional shape formed with straight lines.
A polygon is any 2-dimensional shape formed with curved lines
A polygon is any 3-dimensional shape formed with curved lines
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True or False? A polygon is regular when all angles are equal and all sides are equal.

True
False
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True or False? An irregular polygon is any polygon that does not have all congruent sides

True
False
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True or False? A convex polygon is defined as a polygon with all its interior angles greater than 180°

True
False
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True or False? A concave polygon is defined as a polygon with one or more interior angles greater than 180°

True
False
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