| Miscellaneous/Vocab | Symmetry | Tiling | Angle Measures | Angles and Parallel Lines |
|---|---|---|---|---|
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What is a circular grid?
A graph to determine location, using three or four rings and marking lines at 45 or 30 degrees intervals.
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What is a line of symmetry?
A line in which a certain shape is folded into two matching halves.
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What is a regular polygon?
A polygon in which the sides all have the same length and all the angles have the same measure.
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What are complementary angles?
A name for two angles that add up to a right angle.
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What is a transversal?
A line intersecting another two or more lines.
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What are coordinates?
A synonym for location, but more precise; often associated with graphs.
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What is rotation symmetry?
A type of symmetry in which the certain shape is turned less than a full turn, and still looks the same.
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What is tiling?
A number of shapes forming together to fill a flat surface, with no gaps or overlaps.
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What is an angle ruler?
A device with two mobile arms and a rivet connecting them, used for measuring angles.
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What are parallel lines?
Two lines in the same plane that will never intersect when fully intersected.
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What are vertical angles?
Angles directly opposite each other when two lines intersect.
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What is reflection symmetry?
A type of symmetry in which the certain shape is folded over a line of symmetry to be formed into two equal halves.
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What is a square?
This shape is a quadrilateral, as well as a regular polygon, and is one of the few shapes that can tile a flat surface evenly.
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What is a goniometer?
The other, big name for an angle ruler. (Hint: It starts with the letter "g")
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What are corresponding angles?
Angles in the relative same position when two lines are intersected by a transversal.
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What is the measure of an angle?
The amount one of the sides of an angle has turned to make the angle; often measured in degrees.
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What is a rhombus?
The only quadrilateral with at least two lines of symmetry and two pairs of parallel sides.
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What is an equilateral triangle?
The regular polygon that can tile a surface evenly with the smallest number of sides.
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What are supplementary angles?
Two angles adding up to 180 degrees.
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What are alternate interior angles?
Angles across each other from the transversal, and inside of the parallel lines.
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What are opposite angles?
Angles directly opposite each other in a polygon.
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What is a square?
Congrats! You win a DAILY DOUBLE!!! Here is the answer: The only quadrilateral with two pairs of parallel sides and four lines of symmetry.
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What is a regular hexagon?
The regular polygon that can tile a surface evenly with the largest number of sides.
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What is a 110 degree angle?
The angle drawn on the board.
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What are corresponding and alternate interior angles?
Between vertical, alternate interior, and corresponding angles, choose those that are equal ONLY when parallel.
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