Term
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Definition
| The _______________ is a line that divides a planar figure into two congruent, reflected halves, |
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Term
| center (of a regular polygon): |
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Definition
| The _______________ is the point that is equidistant from all vertices of a regular polygon. |
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Term
| central angle (of a regular polygon) |
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Definition
| The _______________ is an angle whose vertex is the center of a regular polygon and whose sides pass through adjacent vertices. |
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Term
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Definition
| A _______________ is a polygon in which at least one line segment that connects two vertices of the polygon passes through the polygon’s exterior (a polygon that is not convex). |
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Term
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Definition
| A _______________ is a polygon in which any line segment that connects two vertices of the polygon passes only through the polygon’s interior |
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Term
| interior angle (of a polygon) |
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Definition
| A _______________ is an angle whose vertex is a vertex of a polygon and whose two sides are defined by segments that share that vertex. |
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Term
| exterior angle (of a polygon) |
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Definition
| A _______________ is an angle that forms a linear pair with an interior angle. |
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Term
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Definition
| A _______________ is a closed plane figure formed from three or more segments such that each segment intersects exactly two other segments, one at each endpoint, and no two segments with a common endpoint are collinear. |
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