In this video, Sammy introduces the concept of angles, explaining their origin and how they are measured in degrees. The video covers different types of angles, such as acute, right, and obtuse angles, and provides examples of each. Sammy also discusses how to classify two-dimensional shapes based on their angles, using examples like triangles, squares, and trapezoids. The video includes an interactive segment where Sammy and Alicia classify shapes based on their angles, reinforcing the learning objectives.

What is the total degree measure of a full circle?

• 270°

• 90°

• 360°

• 180°

If you cut a circle in half, what is the degree measure of each half?

• 90°

• 180°

• 270°

• 360°

How many 90° angles are there in a full circle?

• 2

• 3

• 4

• 5

Which of the following is an acute angle?

• 115°

• 100°

• 170°

• 80°

Which angle is considered obtuse?

• 30°

• 50°

• 90°

• 140°

What type of angles do acute triangles have?

• Both acute and obtuse angles

• Only right angles

• Only obtuse angles

• Only acute angles

Which shape contains both acute and obtuse angles?

• Rectangle

• Circle

• Trapezoid

• Square

What type of angle does a square have?

• Obtuse

• None

• Acute

• Right

Which shape has at least two obtuse angles?

• Circle

• Triangle

• Square

• Hexagon

Which shape has at least two acute angles?

• Square

• Obtuse triangle

• Hexagon

• Circle