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22 Cards in this Set
- Front
- Back
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Bisect |
To bisect a geometric object is to divide it into two congruent parts. |
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Circle |
The set of all points on a flat surface that are the same distance from a fixed point. |
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Square |
A quadrilateral with four right angles and four congruent sides. |
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Diameter |
A line segment drawn through the center of a circle with both endpoints on the circle. |
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Kite |
A quadrilateral with two distinct pairs of consecutive congruent sides. |
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Diagnol |
In a polygon, it is a segment that connects any two vertices of the polygon but is not a side of the polygon. |
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Exterior angle |
When a side of a polygon is extended to form an angle with an adjacent side outside of the polygon. |
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Proof |
A convincing logical argument that uses definitions and previously proven conjectures in an organized sequence to show that a conjecture is true. |
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Rectangle |
A quadrilateral with four right angles. |
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Trapezoid |
A quadrilateral with at least one pair of parallel sides. |
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Radius |
A line segment drawn from the center of a circle to a point on the circle. |
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Parallelogram |
A quadrilateral with two pairs of parallel sides. |
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Rhombus |
A quadrilateral with four congruent sides. |
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Midsegment |
A segment joining the midpoints of two sides of a triangle. |
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Central angle |
An angle with its vertex at the center of a circle. |
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Reflexive Property |
The Reflexive Property states that any expression is always equal to itself. |
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Parallel |
Two lines on a flat surface are parallel if they never intersect. |
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Perpendicular |
Two rays, line segments, or lines that meet (intersect) to form a right angle are called |
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Edge |
In three dimensions, a line segment formed by the intersection of two faces of a polyhedron. |
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2 column proof |
A form of proof in which statements are written in one column as a list and the reasons for the statements are written next to them in a second column. |
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Flowchart |
A diagram showing an argument for a conclusion from certain evidence. |
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Tetahedron |
A polyhedron with four faces. |
