Handout
Math Open Reference

Math Open Reference: Triangle Inequality Theorem

For Students 9th - 10th
Explore the triangle inequality theorem with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Handout
University of Georgia

University of Georgia: Inter Math: Triangle Inequality

For Students 9th - 10th
This site has a description of the triangle inequality theorem along with a visual representation, and animation explaining the triangle inequality rule with the radii of circles at the segment endpoints. Links to related terms, more...
Handout
Math Open Reference

Math Open Reference: Triangle Inequality Theorem Converse

For Students 9th - 10th
Learn about the Triangle Inequality Theorem Converse with this helpful reference tool. Provides a definition and interactive that enhance further explanation. Includes links to related topics.
Handout
CK-12 Foundation

Ck 12: Geometry: Inequalities in Triangles Study Guide

For Students 9th - 10th
This study guide on triangle inequalities discusses comparing angles and sides, the Triangle Inequality Theorem, and the Hinge Theorem. It is available for download with free registration.
Handout
Geometry Help

Geometry Help: Hinge Theorem

For Students 9th - 10th Standards
Provides a detailed definition of the Hinge Theorem with step-by-step instructions and methods for solving problems on your own.
Handout
Math Open Reference

Math Open Reference: 45 45 90 Triangle

For Students 9th - 10th Standards
Explore the triangle inequality theorem with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Handout
Geometry Help

Geometry Help: Triangle Inequalities

For Students 9th - 10th Standards
Explains the basic concept of triangle inequalities with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Handout
Math Open Reference

Math Open Reference: A Formal View of Limits

For Students 9th - 10th
Explore the triangle inequality theorem with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.
Handout
Math Open Reference

Math Open Reference: Alternate Interior Angles

For Students 9th - 10th
Explore the triangle inequality theorem with this helpful reference tool. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.