Rotation

Rotation is a transformation in which an image is turned about a fixed point.

 

For example:

 

Geometry rotation common image

 

Rotation can be clockwise or anti-clockwise.





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Help

The correct answer is

Remember :

The smallest number is the one that comes first while counting.

Solution :

To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.

21,27,23

21 is the smallest number.