polygons Flashcards
1
Q
polygons
from up to 10 sides
A
equilateral triangle = 3 sides
square = 4 sides
pentagon = 5 sides
hexagon = 6 sides
heptagon = 7 sides
octagon = 8 sides
nonagon = 9 sides
decagon = 10 sides
2
Q
interior angle formula
A
180 - ext angle
3
Q
ext angle formula
A
360/n
