The three basic transformations that can be applied to a shape are as follows:
A translation moves or slides an image. The image can be translated up or down, right or left.
A reflection flips a shape over to create a mirror image.
Reflection is a transformation in which a geometric figure is reflected across a line, creating a mirror image.
A rotation turns a shape.
Rotation is a transformation in which a figure is turned about a fixed point. Rotation can be clockwise or anticlockwise.
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.