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A figure formed by joining segments between three non-collinear points. |
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Triangle with 3 congruent sides. |
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Triangle with at least two congruent sides. |
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Triangle with no congruent sides. |
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A triangle with three acute angles. |
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A triangle with three congruent angles. |
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A triangle with one right angle. |
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A triangle with one obtuse angle. |
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The point where two edges of a triangle meet. |
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Two sides of a triangle who share a common vertex. |
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In a right triangle, the sides that form the right angle. |
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In a right triangle, the side opposite the right angle; the longest side of a right triangle. |
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Legs of an Isosceles Triangle |
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In an isosceles triangle, the two legs that have the same measure. |
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Base of an Isosceles Triangle |
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The side of an isosceles triangle that is not one of the two congruent sides. |
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The angles that are 'inside' a figure. |
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An angle that forms a linear pair with an interior angle. This angle is 'outside' the figure. |
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A statement that can be proved easily using a theorem. |
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Having corresponding sides and corresponding angles that are congruent. |
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Pairs of congruent sides in congruent figures. |
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Pairs of congruent angles that are in congruent figures. |
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Vertex Angle of an Isosceles Triangle |
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The angle opposite the base in an isosceles triangle. |
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A proof involving the placement of geometric figures in a coordinate plane. |
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