Level 373 Level 375
Level 374

## Ignore words

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coordinate plane
A plan formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
ordered pair
A pair of numbers that can be used to locate a point on a coordinate plane.
Four regions into which a coordinate plane is divided by the x-axis and the y-axis
x-axis
The horizontal axis on a coordinate plane.
y-axis
The vertical axis on a coordinate plane.
area
the surface; Length x Width
perimeter
The distance around a geometric figure.
plane
A flat surface.
polygon
a closed figure made by joining line segments where each line segment intersects exactly 2 others
image
the resulting figure AFTER a transformation is performed on it
Pre-image
the original figure BEFORE a transformation is performed on it
Transformation
a movement on the cartesian plane
translation
It is a transformation that moves points the distance and in the same direction.
reflection
It is a transformation that flips a figure over a line of reflection.
Clockwise
the figure moves the same direction as a clock moves
Counterclockwise
the figure moves the opposite direction as a clock
origin
The centre point of a number line (ground floor of a hotel, freezing point on a thermometer)
rotate 180 degrees
rotate 270 degrees
rotate 90 degrees