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Lesson: Defining and Measuring Angles

In this lesson, you will learn how to define an angle using two sides and a vertex and identify the degree as the unit of angle measurement. By the end of the lesson, you will be able to accurately measure angles using the proper tools.

Worksheet: Defining and Measuring Angles • 15 Questions

Q1:

What is measured using a protractor?

Aangles
Bweight
Clength

Q2:

Which of the following statements correctly defines an angle?

AAn angle is the part of a straight line beginning at a given point and extending in one direction to a predetermined length.
BAn angle is the part of a straight line beginning at a given point and extending limitlessly in one direction.
CAn angle is the figure formed by two rays with a common end point.
DAn angle is the part of a line that connects two points.
EAn angle is the point where two rays intersect.

Q3:

Which of these is a unit used to measure an angle?

Acentimeters
Bdegrees
Cmeters
Dgrams

Q4:

How many angles are in a circle?

Q5:

Which point is the vertex of the angle?

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