Education Technology

### Angle-Side Relationships

Investigate some necessary conditions for creating a triangle.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Congruent Triangles

This activity is intended to provide students with an opportunity to discover three methods of proving triangles congruent: SSS, SAS, and ASA.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Corresponding Parts of Congruent Triangles

Explore corresponding parts of congruent triangles.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Side-Side-Angle: The Ambiguous Case

Experiment with segment lengths and angle measures.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Special Segments in Triangles

Create four special segments from a given vertex in a triangle and identify relationships among the special segments and the angles they form.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS

### Triangle Inequality Theorem

Given the measures of any three segments, will you always be able to make a triangle?
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS