Angles 1
Alternate Interior Angles
Angles between 2 lines and on opposite sides of a transversal.
Transformation
The mapping, or movement of a plane and all the points of a figure ona plane according to a common action or operation.
Positive slope
Line rises (increases) from left to right.
Corresponding Angles
Sides that have the same relative positions in geometric figures.
Angles Similarity Theorem
It two angles of one triangles are congruent to the corresponding angles of another triangle, then the triangles are similar.
Alternate Exterior Angles
Angles that lie outside a pair of lines and on opposite side of a transversal.
Reflection
A rigid motion transformation that "flips."
Negative slope
Line rises (decreases) from left to right.
Angle of Rotation
The amount of rotation, in degrees, about a fixed point, the center of rotation.
Proportional Relationship
A relationship between two quantities in which the ratio of input to outputs is constant, and an input of 0, creates an output of 0.
Same Side Interior angles
The two angles that are inside (interior) the parallel lines and are on the same side of the transversal.
Dilation
A transformation that produces a figure that is the same shape as the original figure, but not necessarily the same size.
Zero slope
the slope of a horizontal line.
Transversal
A line that intersects two or more lines.
Coefficient
A number multiplied by a variable in an algebraic expression.
Same Side Exterior Angles
The two angles that are outside (exterior) the parallel lines and are on the same side of the transversal.
Center of Dilation
The point from which a dilation is generated.
Undefined slope
the slope of a vertical line.
Similar
Two figures have this relationship when the ratios of their corresponding side lengths are equal.
Constant
A value that does not change.
Supplementary Angles
Two angles whose sum is 180 degrees.
Rotation
A rigid motion transformation that turns a figure on a plane about a fixed point, called the center of rotation, through a given angle.
y intercept
y- corrdinate of the point where a graph crosses the y- axis.
Enlargement
When the scale factor is greater than 1.
Sequence