Angles of 90, 180, 270, and 360 Degrees

We can find the measure of a given angle by relating turns to right angles.

 

1a

 

For example, consider the angle given below.

 

1

 

It is
3 4
turn.

So, the measure of this angle is equal to 3 right angles or 270°.





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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.