# Classify Triangles by Sides

Triangles can be classified **on the basis of sides** as follows:

All three sides are of different lengths |
Two sides are of same length |
All three sides are of same length |

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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

### 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.