click below
click below
Normal Size Small Size show me how
Geometry
Opposite Ray | Two rays that point in opposite directions | ||
Congruent Angles | No measurements | ||
Line | Stretches in 2 directions forever | ||
Obtuse Angle | Larger than 90° less than 180° | ||
Ray | A portion of a line with only one endpoint | ||
Congruent segment | Same size and shape | ||
Angle bisector | Divide an angle into 2 congruent angles | ||
Acute Angle | Less than 90° | ||
Supplementary Angle | 2 angles whose sum is 180° | ||
Postulate | A basic fact assumed to be true as a basic for reasoning | ||
Adjacent Angle | 2 Angle in the same place that have a common vertex and side | ||
Perpendicular Bisector | A line ray or segment that bisects another segment at a right angle | ||
Linear pair | Adjacent Angle formed by 2 intersecting lines | ||
Angle Addition | If b is the interior of <AOC. Then M<BOC = M<AOC | ||
Plane | A flat surface | ||
Segment Addition | If A,B and C are collinear and B is between A and C then AB+BC =AC | ||
Equal | Same value | ||
AAS | 2 angles congruent and a side not between them is congruent | ||
ASA | 2 Angle congruent and the side between them are congruent | ||
Perpendicular lines | 2 lines that intersect to form right angles | ||
SAS | Show 2 sides are congruent and the angles between them is congruent | ||
Coplanar | 3 non- collinear points on the same plane | ||
Segment | A portion of a line that has 2 end points | ||
Point | A location in space | ||
Segment bisector | Passes through the midpoint | ||
Collinear | Points that lie along the same line | ||
Right angle | 90° | ||
Midpoint | Divides a segment into 2 congruent segment points | ||
Complementary angle | 2 angles where sum is 90 degrees | ||
SSS | Show all 3 sides are congruent | ||
Straight Angle | An angle that measures 180° | ||
Vertical angle | Non adjacent Angle formed by 2 inter securing lines | ||
Theorem | A non intuitive truth proven by a chain of reasoning | ||
HL | Hypotenuses are congruent and one leg is congruent and a right angle | ||
Geometry | Study of shapes |