How to find the sum of interior angles for a 13 gon

The video tutorial explains how to find the sum of the interior angles of a polygon using a specific formula. The teacher introduces the problem, explains the formula, and applies it to a 13-sided polygon, demonstrating the calculation process and concluding with the result.

What is the problem discussed in the video?

• Finding the perimeter of a polygon

• Calculating the sum of interior angles for a 13-sided polygon

• Solving a quadratic equation

• Determining the area of a circle

What is the formula used to find the sum of interior angles of a polygon?

• (n+2) * 180 degrees

• (n-2) * 90 degrees

• (n-2) * 180 degrees

• (n+2) * 90 degrees

In the formula for the sum of interior angles, what does 'n' represent?

• The number of angles

• The number of diagonals

• The number of sides

• The number of vertices

How many sides does a 13-gon have?

• 12

• 14

• 13

• 11

What is the sum of the interior angles of a 13-sided polygon?

• 1620 degrees

• 1800 degrees

• 1980 degrees

• 2100 degrees