Term
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Definition
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Term
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Definition
| Corresponding parts of congruent triangles are congruent |
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Term
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Definition
| If three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent |
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Term
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Definition
| If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent |
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Term
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Definition
| If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent |
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Term
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Definition
| A triangle with at least 2 congruent sides |
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Term
| Legs of an isosceles triangle |
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Definition
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Term
| Base of an isosceles triangle |
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Definition
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Term
| Vertex of an isosceles triangle |
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Definition
| The angle formed by the legs |
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Term
| Base angles of an isosceles triangle |
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Definition
| angles formed by 1 leg and 1 base |
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Term
| Isosceles Triangle Theorem |
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Definition
| if two angles of a triangle are congruent, then the angles opposite those sides are congruent |
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Term
| Abbreviation of the Isosceles Triangle Theorem |
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Definition
| Isosceles Triangle -> Base angles congruent |
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Term
| Equilateral and equiangular triangle (Corollary) |
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Definition
| An equilateral triangle is also equiangular |
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Term
| Equilateral triangle & 60 (Corollary) |
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Definition
| An equilateral triangle has three 60 angles |
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Term
| Bisector of the vertex angle of an isosceles triangle (Corollary) |
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Definition
| The bisector of the vertex angle of an isosceles triangle is perpendicular to the base at its midpoint |
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