Measuring Angles with a Protractor

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line one
line two
measure of the angle: 90 degrees
Knowing how to measure angles with a protractor is an essential skill. Here you can change the angle you are measuring and make sure you get the right answer.

External Links

Angle (Wolfram MathWorld)
Protractor (Wolfram MathWorld)

Permanent Citation

Sarah Lichtblau
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​"Measuring Angles with a Protractor"​
​http://demonstrations.wolfram.com/MeasuringAnglesWithAProtractor/​
​Wolfram Demonstrations Project​
​Published: March 7, 2011