|
Acute Angle
|
Less than 90°
|
|
Adjacent Angle
|
Two angles on the same plane
|
|
Collinear Points
|
Two points on the same line
|
|
Complementary Angle
|
Two angles whose sum is 90°
|
|
Midpoint
|
The point halfway between the endpoints of a segment.
|
|
Obtuse Angle
|
More than 180°
|
|
Ray
|
A point on a line and all points in one direction
|
|
Vertical Angles
|
Two nonadjacent angles formed by two intersecting lines
|
|
Linear Pair
|
Adjacent angles whose non-common sides are opposite rays
|
|
Isoscles
|
At least two sides are congruent
|
|
Scalene
|
Nothing is congruent
|
|
Equilateral
|
Every side is the same length
|
|
Biconditional
|
A and B are bi conditionally related if A implies B and B implies A.
|
|
Counterexample
|
a number which disproves a proposition For example, the prime number 2 is a counterexample to the statement "All prime numbers are odd."
|
|
Isometry
|
A isometry is a transformation where distance (aka size) is preserved.
|
|
Preimage
|
Produced by reflection from a mirror, refraction by a lens, or the passage of luminous rays through a small aperture and their reception on a surface.
|
|
Translation
|
A transformation in which a graph or geometric figure is picked up and moved to another location without any change in size or orientation.
|
No comments yet.
Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
