Geomtery 7.1-7.4
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Created by:
MillicentBeard on November 14, 2011
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22 terms
Terms | Definitions |
|---|---|
 sum of measures of triangle | 180 |
| angle that is adjacent to and supplementary to an interior angle | exterior angle |
| The measure of an exterior angle of a triangle equals sum of | remote interior angles |
| a segment joing the midpoints of 2 sides of a triangle is parallel to the ________ and equals ____ of third side | third side, 1/2 |
| If 2 angles are congruent to two angles of a second triangle, the third angles are congruent | no-choice theorem |
| Two angles and a side of a triangle are congruent then triangles are congruent | AAS |
| Triangle | 3 sides |
| Quadrilateral | 4 sides |
| pentagon | 5 sides |
| hexagon | 6 sides |
| heptagon | 7 sides |
| octagon | 8 sides |
| nonagon | 9 sides |
| decagon | 10 sides |
| dodecagon | 12 sides |
| pentadecagon | 15 sides |
| n-gon | n sides |
| measure of exterior angles of a polygon is | 360 |
| # of diagonals that can be drawn in a polygon of n sides | d= [n(n-3)]/2 |
| sum of measures of int angles in a polygon with n sides | S= (n-2)180 |
| a polygon that is both equilateral and equiangular | regular polygon |
| each ext angle of and equiangular polygon | E=360/n |
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