Sides are the straight lines that make a flat shape.
For example:
A corner is a point where two sides meet.
For example:
An angle is formed where two sides of a shape meet.
For example:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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.
21,27,23
21 is the smallest number.