GeoGebra

New Worksheet Ideas

1. Circumcenter of triangle- construct the Circumcenter of a triangle, including the steps and questions regarding this construction to help students understand this theorem with perpendicular bisectors.

2. Incenter of a triangle- by constructing the incenter, help students understands the basic steps with this theorem with the understanding of angle bisectors.

3. Centroid of a triangle- by constructing the centroid of a triangle, students will understand and reinforce the concepts of medians.

4. Orthocenter- students will understand the orthocenter of a triangle, and the definition of altitude with triangles.

5. Exterior angle inequality theorem- construct an example of why an exterior angle equals the sum of the remote interior angles of a triangle.

Norm Ebsary

Angles Worksheets

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

Created by Guy Barmoha

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Barbara's Stuff

Angle Relationships/Properties of Parallel Lines

created by Barbara Perez

Polygon Angle Relationships

created by Barbara Perez

Geometry with GeoGebra

• New: Geometry Challenges with GeoGebra