Angles in Polygons Flashcards
1
Q
How do you find out the exterior angles in a polygon?
A
360 / n (number of sides)
2
Q
How do you find out the interior angles in a polygon?
A
180(n-2) n=number of sides
3
Q
What does the interior and exterior angles add up to?
A
180
4
Q
Why do the interior and exterior angles add u to 180?
A
Because they’re on a straight line
5
Q
Example: Pentagon
A
Exterior = 360 / 5 = 72
Interior = 180 (5-2) = 540
Each angle = 540 / 5 = 108
Interior + Exterior = 108 + 72 = 180