Chapter 8: Angles Of A Polygon Flashcards
1
Q
What is the formula to figure out the number of triangles formed drawn from one vertex?
A
N-2
2
Q
What is the formula to figure out the total number of diagonals?
A
N(n-3)/2
3
Q
What is the formula to figure out the sum of exterior angles?
A
Se=360
4
Q
What is the formula to figure out one exterior angle if the polygon is regular?
A
EXTreg=360/n
5
Q
What is the formula N(n-3)/2 used for?
A
total number of diagonals
6
Q
What is the formula to figure out one interior angle if the polygon is regular?
A
INTreg=180(n-2)/n
7
Q
What is the formula n-2 used to figure out?
A
The number of triangles formed drawn from a vertex
8
Q
The formula used to find the number of diagonals from one vertex is…
A
N-3
9
Q
What is the formula 180(n-2) used for?
A
The sum of interior angles
