Sides, Corners, and Angles of Shapes

Sides are the straight lines that make a flat shape.

For example:


3a

 

A corner is a point where two sides meet.

For example:

2a

 

An angle is formed where two sides of a shape meet.

For example:

1a





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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.