Term
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Definition
| If two angles of one triangle are congruent to two angles of a second triangle, then the third angles of the triangles are congruent |
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Term
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Definition
| The sum of the measures of the angles of a triangle is 180 |
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Term
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Definition
| The measure of an exterior angle of a triangle is equal to the sun of the measures of the two remote interior angles |
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Term
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Definition
| The acute angles of a right triangle are complementary |
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Term
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Definition
| There can be at most one right or obtuse angle in a triangle |
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Term
| Side-side-side Congruence (SSS) |
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Definition
| If the sides of one triangle are congruent to the sides of a second triangle, then the triangles are congruent |
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Term
| Side-Angle-Side Congruence (SAS) |
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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
| Angle-Side-Angle Congruence (ASA) |
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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, the triangles are congruent |
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Term
| Angle-Angle-Side Congruence (AAS) |
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Definition
| If two angles and a nonincluded side of one triangle are ocngruent to the corresponding two angles and side of a second triangle, then the two triangles are congruent |
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Term
| Isosceles Triangle Theorem |
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Definition
| If two sides of a triangle are congruent, then the angles opposite those sides are congruent |
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Term
| Congruent Angle/Side of Triangle Theorem |
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Definition
| If two angles of a triangle are congruent, then the sides opposite those angles are congruent |
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