front 1 3 sided | back 1 triangle |
front 2 4 | back 2 quadrilateral |
front 3 5 | back 3 pentagon |
front 4 6 | back 4 hexagon |
front 5 7 | back 5 heptagon |
front 6 8 | back 6 octogon |
front 7 9 | back 7 nonagon |
front 8 10 | back 8 decagon |
front 9 11 | back 9 hendecagon |
front 10 12 | back 10 dodecagon |
front 11 slope formula | back 11 m=(y2-y1)/(x2-x1) |
front 12 midpoint formula | back 12 m= (x1+x2)/2, (y1+y2)/2 |
front 13 distance formula | back 13 square root ((x2-x1)2 + (y2-y1)2 |
front 14 sum of all interior angles | back 14 sum of angles = (n-2)x180 where n = # of sides |
front 15 to find # of sides | back 15 single angle= ((n-2) x 180)/n |
front 16 sum of exterior angles | back 16 360 |