geometry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Transversal | A line that intersects two coplanar lines at two distinct points
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| Segment | The part of a line consisting of two endpoints
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| Coplanar | Points and lines that lie on the same plane
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| Adjacent | Two coplanar angles with a common side, a common vertex, and no common points
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| Midpoint | A point ona segment that divides a segment into two congruent segments
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| Concave | A polygon with at least one diagonal that falls outside the polygon
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| Complementary | Two angles whose measures have a sum of 90 degrees
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| Obtuse | An angle whose measure is greater than 90 degrees
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| Corresponding | Two angles that are in the same position on a transversal
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| Straight | An angle whose measure is equal to 180 degrees
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| Skew | Two or more noncoplanar lines
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| Hypotenuse | The longest side of a right triangle
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| Orthocenter | The point of concurrency of the altitudes of a triangle
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| Parallel | Two or more coplanar lines that do not intersect
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| Centroid | The point of concurrency of the medians of a triangle
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| Altitude | The perpendicular segment from a vertex to the line containing the opposite side
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| Supplementaty | Two angles whose measure have a sum of 180 degrees
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| Median | A segment in a triangle whose endpoints are a vertex and the midpoint of the opposite side
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| Acute | An angle whose measure is less than 90 degrees
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| Concurrent | When three or more lines intersect at one point
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| Circumcenter | The point of concurrency of the perpendicular bisectors of a triangle
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| Vertical | Two angles whose sides form two pairs of opposite rays
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| Convex | A polygon with no diagonals that lie outside the polygon
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| Polygon | A closed plane figure with at least three sides that are segments, the sides only intersect at their endpoints
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| Inverse | Negates both of the hypothesis and conclusion of a conditional
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| Contrapositive | Switches the hypothesis and the conclusion and negates both of them
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| Converse | Switches the hypothesis and conclusion in an "if-then" statement
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| Incentor | The point of concurrency of the angle bisectors of a triangle
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| Conditional | Another name for an "if-then" statement
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| Midsegment | A segment in a triangle connecting the midpoints of two sides
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| Regular | A polygon with all sides and angles the same
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| Right | An angle whose measure is equal to 90 degrees
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| CPCTC | Used to prove angles or sides of triangles are congruent
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Created by:
pritch20
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