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15 Cards in this Set
- Front
- Back
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theorem
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A general conclusion proposed to be proved upon the basis of certain given hypotheses or assumptions; or, a general conclusion that has been proved
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isosceles triangle
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A triangle in which at least two sides are congruent. The congruent sides are called legs. The angle formed by the legs is the vertex angle. The other two angles are base angles. The base is the side opposite the vertex angle.
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equilateral triangle
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A triangle that has all three sides congruent.
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equiangular triangle
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A triangle that has all three interior angles congruent.
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similar triangles
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Two triangles that have the same shape but not the same size
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adjacent side (in a triangle)
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One of the sides forming a given angle in a triangle or the side between the given angle and the right angle in a right triangle.
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leg
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Either of the two sides that form the right angle in a right triangle or one of the two congruent sides in an isosceles triangle.
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vertex
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A point at which the two rays of an angle meet or the intersection point of two sides of a plane figure.
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side-side-side (SSS)
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A triangle congruence rule that states that when three sides of one triangle are congruent to the corresponding three sides of another triangle, the two triangles are congruent.
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side-angle-side (SAS)
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A triangle congruence rule that states that when two sides and the included angle of one triangle are congruent to the corresponding two sides and the included angle of another triangle, the two triangles are congruent.
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corresponding sides
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Sides in the matching positions of two polygons. If the two polygons are congruent, the corresponding sides are equal. When the two polygons are similar, the ratio of any two corresponding sides is the same for all the sides.
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opposite side
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The side facing a given angle in a triangle. It is the side not forming one arm of the angle.
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angle-side-angle (ASA)
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A triangle congruence rule that states that when two angles and the included side of one triangle are congruent to the corresponding two angles and the included side of another triangle, the two triangles are congruent.
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hexagon
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A six-sided plane figure.
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inscribed
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Denoting the situation in which one geometric figure is drawn inside another geometrical shape.
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