This video tutorial introduces angles, explaining their presence in everyday life. It covers different types of angles, including right, acute, and obtuse angles, and demonstrates how to measure them using a protractor. The tutorial provides practice examples and discusses special angles like straight and full angles. The video concludes with a summary and a call to subscribe.

What is the space between two intersecting lines emerging from the same point known as?

• Vertex

• Angle

• Line

• Intersection

Tags

CCSS.4.G.A.1

What is the unit used to measure angles?

• Radians

• Meters

• Degrees

• Centimeters

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CCSS.4.MD.C.6

Which angle measures exactly 90 degrees?

• Straight angle

• Right angle

• Acute angle

• Obtuse angle

Tags

CCSS.4.G.A.1

What type of angle measures less than 90 degrees?

• Acute angle

• Right angle

• Straight angle

• Obtuse angle

Tags

CCSS.4.G.A.1

What instrument is used to measure the degrees of an angle?

• Ruler

• Compass

• Protractor

• Caliper

Tags

CCSS.4.MD.C.6

How do you position a protractor to measure an angle?

• Align the straight part with the vertex

• Align the curved part with one side

• None of the above

• Place it parallel to the angle

Tags

CCSS.4.MD.C.6

What type of angle is 45 degrees?

• Straight angle

• Right angle

• Acute angle

• Obtuse angle

Tags

CCSS.4.G.A.1

If an angle measures more than 90 degrees but less than 180 degrees, it is classified as:

• Obtuse

• Straight

• Right

• Acute

Tags

CCSS.4.G.A.1

What is an angle called if it measures exactly 180 degrees?

• Obtuse angle

• Full angle

• Straight angle

• Right angle

Tags

CCSS.4.G.A.1

What is the term for an angle that measures 360 degrees?

• Complete angle

• Right angle

• Acute angle

• Obtuse angle

Tags

CCSS.4.G.A.1