Wednesday: Understanding Angles and Measurement

What is the point called where two rays meet to form an angle?

• Vertex

• Edge

• Center

• Side

What is the name for a straight path that goes on forever in both directions?

• Line segment

• Ray

• Line

• Point

How many degrees are in a right angle?

• 45

• 90

• 180

• 360

Which of the following is a line segment?

• A path with two endpoints

• A path with one endpoint

• A path with no endpoints

• A point

Angles that have a measure greater than 90 degrees but less than 180 degrees are called _______ angles.

• Acute

• Right

• Obtuse

• Straight

How many degrees are in a full circle?

• 90

• 180

• 270

• 360

What is the measure of an angle that is exactly half of a right angle?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

Which of the following best describes a ray?

• Has two endpoints

• Has one endpoint and extends forever in one direction

• Has no endpoints

• Is a flat surface

Which of the following is NOT a geometric shape formed by two rays sharing a common endpoint?

• Angle

• Line

• Right angle

• Obtuse angle

How many degrees are in the shaded part of this circle?

• 72

• 360

• 90

• 45