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Terms in this set (24)
An angle that is exactly 90 degrees.
An angle that is more than 90 degrees but less than 180 degrees.
An angle that is less than 90 degrees.
An angle that is more than 180 degrees.
Two or more angles that add up to 180 degrees.
Two or more angles that add up to 90 degrees.
Angles that are opposite each other when two lines intersect.
Vertical angles are always congruent
Angles that have a common side and a common vertex (this means they share a side and vertex).
Triangle Interior Angles:
The interior angles will always add up to 180 degrees.
Quadrilateral Interior Angles
The interior angles will always add up to 360 degrees.
An angle inside of a polygon
An angle outside of a polygon
A line is straight, has no thickness, and goes on infinitely (forever) in both directions.
Part of a line that is bounded by two endpoints (it connects two points)
A portion of a line that has a starting point (an endpoint), but goes on infinitely in one direction
A point at which a line segment or ray ends.
A figure formed by two rays sharing a common endpoint.
We can measure an angle by measuring the amount of turn between the two rays
The common endpoint of an angle(s)
A type of line segment that joins two vertices in a polygon.
An exact location on a plane surface.
A point has no size, length, or depth.
A closed, plane figure consisting of at least 3 or more sides, angles, and vertices
A polygon with exactly three sides, angles, and vertices.
A polygon with exactly four sides, angles, and vertices
Congruent means equivalent (or equal).
< CAB and < FDE are congruent