Where does the interior angle sum theorem come from

The video tutorial introduces polygons, discussing their types and side lengths. It explains how to calculate the sum of angles in polygons and demonstrates creating diagonals to find triangles within them. The tutorial concludes with a rule for determining the sum of angles in any polygon.

What is the name of a polygon with four sides?

• Triangle

• Quadrilateral

• Pentagon

• Hexagon

What is the term used for a polygon with an unspecified number of sides?

• Quadrilateral

• Hexagon

• Ngon

• Pentagon

How many triangles can be formed within a hexagon?

• 5

• 2

• 3

• 4

What is the sum of the interior angles of a quadrilateral?

• 540 degrees

• 180 degrees

• 360 degrees

• 720 degrees

If a polygon has 5 sides, what is the sum of its interior angles?

• 360 degrees

• 720 degrees

• 900 degrees

• 540 degrees

What is the formula to calculate the sum of interior angles of a polygon with 'n' sides?

• (n-2) * 90

• n * 90

• (n-2) * 180

• n * 180

For a polygon with 8 sides, what is the sum of its interior angles?

• 1080 degrees

• 1260 degrees

• 1620 degrees

• 1440 degrees