Geometry: Measurement of Angles (Level 3 of 9)

This video tutorial covers the measurement of angles, focusing on fractional parts of a degree using minutes and seconds notation, as well as decimal notation. It explains how to convert between these notations and highlights the importance of precision in angle measurement. The video also introduces congruent angles, explaining how to identify them using arc marks and the congruent symbol. The tutorial concludes with a brief mention of classifying angles by size and using a protractor for measurement.

How is a degree divided in the minutes and seconds notation?

• Into 100 minutes

• Into 60 minutes

• Into 45 minutes

• Into 30 minutes

What is the equivalent of 0.5 degrees in degrees-minutes-seconds notation?

• 0 degrees, 45 minutes

• 0 degrees, 60 minutes

• 0 degrees, 30 minutes

• 0 degrees, 50 minutes

If an angle measures 2.135 degrees, how many minutes does the decimal part represent?

• 8.1 minutes

• 13.5 minutes

• 2.135 minutes

• 21.35 minutes

How many seconds are there in one degree?

• 360 seconds

• 3600 seconds

• 600 seconds

• 60 seconds

What symbol is used to denote congruent angles?

• Equal sign

• Congruent symbol

• Greater than symbol

• Less than symbol

How can you identify congruent angles in a diagram?

• By matching tick marks

• By matching numbers

• By matching colors

• By matching arc marks

What is the relationship between angle ABC and angle DEF if they are congruent?

• They are perpendicular

• They have different measures

• They have the same measure

• They are parallel