# Classify Triangles

All three sides are of different lengths All three angles are of different measures |
Two sides are of same length Two angles are of same measure |
All three sides are of same length All three angles are of same measure |

All three angles are less than 90° |
One angle is exactly 90° |
One angle is more than 90° |

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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.