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TransformationsVocab

transformations vocab

QuestionAnswer
coordinate plane a plane formed by the intersection of a horizontal number line (x-axis) with a vertical number line (y-axis)
x-axis the horizontal axis (side to side)
y-axis the vertical axis (up and down)
ordered pair a point in the coordinate plane named (x,y)
origin the point where the x-axis and the y-axis meet; (0,0)
translation a movement (slide) of a figure along a straight line
reflection a change in position of a figure that flips the figure across a line
dilation a change in the size of a figure which either reduces or enlarges the picture
rotation a change in position of a figure around a fixed point
similar figures figures that are the same shape, but are a different size;all of the corresponding parts of the figures have the same ratio
congruent figures figures that are the exact same shape and size
parallel lines two or more lines in the same plane that never intersect
transversal a line that intersects at least two other lines
corresponding angles a pair of angles at matching intersections of the parallel lines and the transversal
alternate interior angles a pair of angles in between the parallel lines that are on the opposite sides of the transversal
alternate exterior angles a pair of angles outside the parallel lines that are on the opposite sides of the transversal
same side interior angles a pair of angles in between the parallel lines that are on the same side of the transversal
sequence of transformations a set of transformations (translations, reflections, dilations, and rotations) in the coordinate plane that must occur in a specific order to obtain a new figure
Created by: lepressley