Sum of Interior Angle of a Pentagon_Tom Nguyen

What is the sum of the angles?

How many of these triangles do you need to make this octagon? Hint: The first and last triangles make up one triangle.

What is the sum of the current angles?

Knowing the sum of a triangle's angle and octagon, which one of these is the formula of the sum of any polygon? Hint: n represents sides of polygon.

A pentagon has a sum of an interior angle of 540. What is the angle of B?

Given the answer to the previous question, what is the formula for finding each angle within a polygon?