Texas Instruments
9-12
40 Minutes
TI-Nspire™TI-Nspire™ CAS
2.0
In this activity, students will measure interior and exterior angles of a triangle and make conjectures about their relationships.
Discuss the material from the activity pages and worksheet with students as needed.
Using a pre-constructed triangle, students will construct a line and measure the exterior angle that results from it. Using manual data capture and the Lists & Spreadsheet application, they will make conjectures about the relationships of interior and exterior angles.
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