1 Angles And Lines Flashcards
A straight path on a plane, extending in both directions with no endpoints…
A line
An exact location on a plane is…
A point
A part of a line that has two end points and thus has a definite length is…
A line segment
An angle whose measure is greater than 90° is…
Obtuse
Angle whose measure is less than 90° is…
Acute
An angle whose measure is 180° is…
A straight angle
Angle whose measure is 90° is…
A right angle
Angles that have a vertex and a common Ray
Adjacent angles
A line segment extended indefinitely in one direction is…
A ray
Opposite angles pairs of angles formed by two lines intersecting at a point
Vertical angles
Two angles whose sum is 90 degrees
Complementary angles
Two angles whose sum is 180 degrees
Supplementary angles
An angle whose measure is greater than 180 degrees but less than 360 degrees
Reflex angle
A set of points that form a completely flat surface
Plane
A set Of points that are all on the same line
Collinear points
