# 5.6: Comparing Angles and Sides in Triangles

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**At Grade**Created by: CK-12Estimated7 minsto complete

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**Practice**Comparing Angles and Sides in Triangles

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Term | Definition |
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SAS Inequality Theorem |
The SAS Inequality Theorem states that if two sides of a triangle are congruent to two sides of another triangle, but the included angle of one triangle has greater measure than the included angle of the other triangle, then the third side of the first triangle is longer than the third side of the second triangle. |

SSS Inequality Theorem |
The SSS Inequality Theorem states that if two sides of a triangle are congruent to two sides of another triangle, but the third side of the first triangle is longer than the third side of the second triangle, then the included angle of the first triangle's two congruent sides is greater in measure than the included angle of the second triangle's two congruent sides. |

Triangle Sum Theorem |
The Triangle Sum Theorem states that the three interior angles of any triangle add up to 180 degrees. |

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Description

This concept teaches students the relationship between opposite angles and sides in triangles and how to use this relationship to compare triangles.

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Date Created:

Jul 17, 2012
Last Modified:

Oct 05, 2016
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