TI-Nspire Mini-Tutorials:

Constructing an Isosceles Triangle

Create a new document

Save or delete a previous document

Create a Geometry window

Select the segment tool

Create a horizontal segment

Select the midpoint tool

Create the midpoint

Select the perpendicular tool

Create a perpendicular line

Extend the line

Select the segment tool

Create segments to the

perpendicular line

Select the length measurement tool

Measure the side lengths

Select the angle measurement tool

Measure the base angles

Manipulate the triangle