Secrets in the Triangle

Author

Patricia Casey

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Triangles

Level

9-12

Activity Time

30 Minutes

TI Calculator

TI-Nspire™ CX series

TI-Nspire™ CX CAS/CX II CAS

TI-Nspire Version

3.0

Other Materials

Students will need to have Geometry_EulerLine_Casey loaded on their Nspire.

Resource Types

Lessons

Format

TNS

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Secrets in the Triangle

Activity Overview

Students will use the geometry screens of the TI-Nspire™ to find points of concurrency by constructing the altitudes, perpendicular bisectors, and medians in triangles. The Euler Line will be found and extensions given.

Before the Activity

Students should know definitions of altitude and medians of a triangle, also perpendicular bisectors and angle bisectors in triangles.

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Before the Activity Files

Teacher Notes PDF TI-Nspire Activity TNS

Author

Patricia Casey

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Triangles

Level

9-12

Activity Time

30 Minutes

TI Calculator

TI-Nspire™ CX series

TI-Nspire™ CX CAS/CX II CAS

TI-Nspire Version

3.0

Other Materials

Students will need to have Geometry_EulerLine_Casey loaded on their Nspire.

Resource Types

Lessons

Format

TNS

Report an Issue

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Secrets in the Triangle

Secrets in the Triangle

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