Transformations

Glossary

corresponding angles Angles in matching corners.

corresponding side In similar shapes, corresponding sides are in the same ratio.

hypotenuse The longest side of a right-angled triangle, which is opposite the right angle, is called the hypotenuse.

origin The point where the x-axis and the y-axis meet is the point O, which is called the origin.

perpendicular If the angle between two lines is a right angle, the lines are said to be perpendicular.

scale factor The ratio of corresponding lengths in similar shapes, ie how much larger or smaller the shapes are.

similar Having the same shape but not necessarily the same size. The corresponding angles within the shapes are equal.

vector A vector describes a movement from one point to another. A vector quantity has magnitude (size) and direction.


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