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26 Cards in this Set
- Front
- Back
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Bisect |
To divide something into two congruent parts or angles |
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Decagon |
Having 10 sides |
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Undecagon |
Having 11 sides |
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Dodecagon |
Having 12 sides |
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Symmetry |
Folded in half |
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Protractor |
Tool used to measure angles |
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degrees |
Unit angles are measured in what? |
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Quadrilateral |
Having 4 sides and 4 angles |
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Trapizoisd |
One pair of parallel lines |
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Rhombus |
Four equal sides |
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Parallel Lines |
Lines that do not intersect |
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Perpendicular line |
Lines that form right angles |
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Pentagon |
Having 5 sides |
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Hexagon |
Having 6 sides |
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Heptagon |
Having 7 sides |
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Octagon |
Having 8 sides |
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Vertex |
Common end point of the rays |
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obtuse angles |
More than 90 degrees less than 180 |
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right angle |
Measure exactly 90 |
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Straight angle |
Measure exactly 180 |
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Congruent |
Having the same measure |
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Supplementary Angles |
180 degress |
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Complementary angles |
90 degress |
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Scalene triangle |
Having no congruent signs |
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Isosceles triangles |
Having two congruent signs |
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Equilateral Triangles |
Three congruent signs |
