Have a look at this animation (press the play button) to see how to make a neat angle using a protractor and ruler:
Protractors usually have two sets of numbers going in opposite directions.
Be careful which one you use!
When in doubt think "should this angle be bigger or smaller than 90° ?"
Try to measure the angles A, B, C and D inside this shape.
Be careful which angle you read from the protractor.
Hint: if you get them all correct, they will add up to 360°
The answers are ... no, that would spoil the fun!
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