How to Measure Using a Protractor- Doodles and Digits

The video tutorial introduces the concept of measuring angles using a protractor. It explains what a protractor is and provides a step-by-step guide on how to use it to measure angles. The tutorial includes practice problems to reinforce learning and discusses how understanding different types of angles can help in estimating measurements. The video aims to equip learners with the skills to accurately measure angles and verify their results using angle types.

What tool is used to measure angles?

• Protractor

• Compass

• Ruler

• Calculator

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

• Draw a circle

• Align the protractor with the vertex

• Find where the ray intersects

• Estimate the angle type

In the process of measuring an angle, what do you do after aligning one ray with the protractor?

• Rotate the protractor

• Find where the other ray intersects

• Estimate the angle type

• Draw a new line

Which type of angle is greater than 90 degrees?

• Straight

• Obtuse

• Acute

• Right

If you measure an angle and get 20 degrees, but you know it's obtuse, what should you do?

• Ignore the result

• Change the protractor

• Accept the measurement

• Re-measure the angle