Interior Angles of Triangles - Investigate

Interior Angles of Triangles - Investigate
1. Create a triangle using the Polygon tool. [br] Click the Polygon tool: [img]data:image/png;base64,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[/img][br]  [br]  In the workspace below, click to make each corner of the triangle.[br][br]  Click on the first dot again to complete the triangle.[br][br]2. Use the Angle tool to measure the INTERIOR angles of the triangle.[br][br]  Click the Angle tool: [img]data:image/png;base64,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[/img][br]  [br]  Click in the middle of the triangle you created.[br] [br]3. What is the sum of the three INTERIOR angles?[br][br]4. Create a different triangle and measure the INTERIOR angles. What do you notice?

Information: Interior Angles of Triangles - Investigate