Google Classroom
GeoGebraGeoGebra Classroom

Interior Angles of Triangles - Investigate

Interior Angles of 3-sided Polygons (Triangles) - Investigate

1. Create a triangle using the Polygon tool. 2. Use the Angle tool to measure the INTERIOR angles of the triangle. 3. What is the sum of the three INTERIOR angles? 4. Create a different triangle and measure the INTERIOR angles. What do you notice?