Education Technology

Trisecting a Square

Published on 07/14/2006

Activity Overview

Students will determine several ways to trisect a square. They will use Cabri Jr. to verify the square has been trisected and then prove their trisection using postulates and theorems from geometry.

Before the Activity

Students should have access to either the TI-83 or TI-84 family of calculators and a copy of the attached .doc file.

During the Activity

Students will determine several ways to trisect a square.

After the Activity

Review student answers:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary