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15 Cards in this Set
- Front
- Back
What is line of symmetry?
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A single line that divides a figure in two congruent halves.
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What are three basic undefined terms in geometry?
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Point, line, and plane.
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What is a point?
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A dot that identifies a location.
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What is a line?
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A set of points that extends without end in two opposite directions.
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What is a plane?
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A set of points that extend without end in all directions alomg a flat surface.
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What is a ray?
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Part of a line that begins at one point and extendswithout end in one direction.
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What is a segment?
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Part of a line that begins at one point and ends at another.
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What is an angle?
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Two rays that have a commen endpoint.
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What is a coordinate plane?
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A number plane formed by two perpendicular number lines that intersect at their origens.
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What do you use to make constructions?
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A compass-and-straightedge.
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What is a postulate?
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Statements that are accepted without proof.
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What is the distance formula?
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____________________
d= \/(x2-x1) + (y2-y1) |
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What is the midpoint formula?
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_______________________
m= \/(x1+x2,y1=y2) (_____ _____) ( 2 2 ) |
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What are vertical angles?
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Two angles whose sides form two pairs of opposite rays.
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The bluejay is...
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...at Taco Bell.
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