Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
Ray
|
Part of a line that consists of a point and then continues on.
|
|
Angle
|
Two different rays with a common end point. Also called 'vertex'
|
|
Sides of an angle
|
The rays protruding from the point.
|
|
Vertex of an angle
|
In an angle, the endpoint is the vertex of the angle.
|
|
Acute Angle
|
An angle less than 90 degrees
|
|
Right angle
|
An angle that measures 90 degrees.
|
|
Obtuse Angle
|
An angle measuring more than 90 degrees, and less than 180.
|
|
Straight Angle
|
Measures 180 degrees (straight line)
|
|
Complementary Angles
|
Two angles who add up to 90 degrees
|
|
Supplementary Angles
|
Two angles that add up to 180 degrees.
|
|
Adjacent Angles
|
Two angles that share a common vertex or side but have no common interior angles.
|
|
Vertical Angles
|
Two angles are vertical angles if their sides from two pairs of opposite rays.
|
|
Congruent Angles
|
Angles that have the same measurment.
|
|
Angle Bisector
|
A ray that divides an angle into two angles that are congruent.
|
|
Perpendicular Bisector
|
A ray, line, or segment that is perpendicular to another segment. Also splits the second segment in half
|