Assignment #8

By Nikki Masson

Altitudes and Orthocenters

1. Construct a triangle ABC

2. Construct the Orthocenter and the Circumcircle for triangle ABC. GSP Tools

3. Construct segments from each of the vertices to the orthocenter.

4. Construct the Circumcircle for the triangle with Vertices at the Orthocenter, C, and B.

5. Now construct two more Circumcircles for the other two triangles we created in step 3.

Next, we will color the three triangles and measure the radius of each of the four Circumcircles to see if they all four have the same radius.


GSP calculated the four radius of the four Circumcirlces and each circle has a radius= 5.39cm.