Sum of Interior Angles (Pentagons)
Triangles
Triangles
What is the sum of the triangle's interior angles?
Triangles: Move point B to (4, 4)
After you moved Point B to the coordinates (4, 4),
What is the new sum of the interior angles?
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Creating a Quadrilateral
Creating a Quadrilateral
A quadrilateral is made up of __ triangles
Creating a Quadrilateral
What did you notice about the two triangles?
Based on the answer above...
What do you think is the sum of the interior angles of a quadrilateral?
Creating a Pentagon
Creating a Pentagon
How many triangles make up the pentagon?
Pentagons: Based on your previous answer...
What is the sum of the interior angles of a pentagon? (Answer in a complete sentence)
Sum of the Interior Angles of a Polygon
