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# Geometry

Opposite Ray | Two rays that point in opposite directions | ||

Congruent Angles | No measurements | ||

Line | Stretches in 2 directions forever | ||

Obtuse Angle | Larger than 90Â° less than 180Â° | ||

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 90Â° | ||

Supplementary Angle | 2 angles whose sum is 180Â° | ||

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 | 90Â° | ||

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 180Â° | ||

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 |

Created by:
Byrski-Jenna