Activities

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Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Maths: Geometry: Analytic Geometry
- Maths: Geometry: Triangles
Author

Texas Instruments
Level

9-12
Activity Time

15 Minutes
Device
- TI-Nspire™ CX/CX II
- TI-Nspire™ CX CAS/CX II CAS
- TI-Nspire™
- TI-Nspire™ CAS
Software

TI-Nspire™
TI-Nspire™ CAS
TI-Nspire Version

3.2
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Hanging with the Incenter

Activity Overview

In this activity, students will explore the angle bisector of the angles of a triangle. Students will discover that the angle bisectors are concurrent. The point of concurrency is the incenter. Students should discover the relationship between the type of triangle and the location of the point of concurrency.

Key Steps

In this activity, students will explore the angle bisector. Students will discover that a point on the angle bisector is equidistant from the sides of the angle.
Students will also explore the angle bisector of the angles of a triangle. Students will discover that the angle bisectors are concurrent. The point of concurrency is the incenter. Students should discover the relationship between the type of triangle and the location of the point of concurrency.

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Activity Time

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Hanging with the Incenter

Activity Overview

Key Steps

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