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29 Cards in this Set
- Front
- Back
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triangle in which all angle are acute angles
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acute triangle
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two angles formed by the base and one of the congruent sides
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base angles
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mapping for which a geometric figure and its image are congruent (slide, flip, turn)
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congruence transformations
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triangles that are the same size and shape
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congruent triangles
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uses figures in the coordinate plane and algebra to prove geometric concepts
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coordinate proof
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statement that can be easily proved by using a theorem
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corollary
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triangle with all angle congruent
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equiangular triangle
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triangle with all sides congruent
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equilateral trianlge
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angle formed by one side of a triangle and the extension of another side
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exterior triangle
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organizes a series of statements in logical order, starting with the given statements. Each statement is written in a box with the reason verifying the statement written below the box. Arrows are used to indicate how the statements relate to each other
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flow proof
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in a triangle, angle formed by two side is the included angle for those two sides
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included angle
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side of a triangle that is a side of each of two angles
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included side
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triangle with at least two congruent sides
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isosceles triangle
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angles of a triangle that are not adjacent to a given exterior angle
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remote interior angles
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triangle with a right angle
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right triangle
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triangle with no two sides congruent
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scalene triangle
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angle formed by the congruent sides of an isosceles triangle
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vertex angle
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in the proportion a/b = c/d the cross products are ad and bc
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cross products
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in a/b = c/d, the numbers a and d |
extremes
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geometric figure created using iteration, appears to go on infinetly
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fractal |
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process of repeating the same procedure over and over again
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iteration
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in a/b = c/d, the numbers b and c
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means
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segment with endpoints that are the midpoints of two sides of a triangle
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midsegment
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equation of the form a/b = c/d that states that two ratios are equal
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proportion
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comparison of two quantities, stating that two ratios are equal
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ratio
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ratio of the lengths of two corresponding sides of two similar polygons or two similar solids
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scale factor
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if at parts of the fractal image are replicas of the entire image; smaller and smaller details of a shape have the same geometric characteristics as the original
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self-similar
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when polygons are the same shape but have different size
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similar polygons
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triangle w/ an obtuse angle
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obtuse triangle
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