Measuring angles

What tool is used to measure angles?

• Ruler

• Protractor

• Compass

• Set Square

What unit are angles measured in?

• Centimeters

• Inches

• Degrees

• Meters

What is the first step when using a protractor to measure an angle?

• Align the protractor's horizontal line with one ray

• Align the protractor's middle bottom part with the angle's vertex

• Extend the rays of the angle

• Choose between the inner and outer numbers

When measuring an angle with a protractor, how do you decide whether to use the inner or outer numbers?

• Use the numbers that start from 0 on the ray

• Use the numbers that go up to 180

• Use the numbers closest to the angle

• Always use the inner numbers

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How can you measure an angle that is larger than 180 degrees using a protractor?

• Use a larger protractor

• Measure 180 degrees and add the remaining angle

• Measure the angle twice and add the results

• It is not possible to measure angles larger than 180 degrees with a protractor