Question

How many sides does a polygon have if the measure of each exterior angle is 9? What is the sum of the measure of each of the interior angles?​

Answer 1

Answer:You keep walking like that, and end up where you started. The direction you were walking in made one full circle, or 360∘ . Each corner added 9∘ . How many corners were there? Well, that must be 360∘9∘=40 .