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23 Cards in this Set
- Front
- Back
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point
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a location that has no size
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line
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extends infinitely in either direction but has no width
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plane
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flat two dimensional surface
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collinear |
three or more points that lie on a single line
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coplanar |
points that lie on the same plane
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segment |
a line that has to endpoints |
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endpoint |
a point where a line segment or ray ends |
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ray |
a line with a single endpoint |
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acute |
an angle that is less 90 degrees
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right
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two angles whose sum is 90 degrees |
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obtuse
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an angle that is greater than 90 degrees |
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straight
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an angle that measures 180 degrees |
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parallel lines
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two lines that never meet |
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perpendicular lines |
two lines meeting at a right angle |
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skew lines
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parallel |
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tranversal |
a line that cuts across two or more lines |
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corresponding angles |
angles matching in the corners of the two lines |
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alternate interior angles |
when two lines are cut by transversal, the angles that are on opposite sides of the transversal but also inside of the two lines |
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supplementary |
two angles whose sum is 180 degrees |
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complementary |
an angle that is exactly 90 degrees |
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vertical pair |
angles that are opposite each other when two lines cross |
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preimage
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the original figure prior to a transformation |
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image
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the figure after the transformation |
