Reflex Angles

Lesson Objective

In this lesson, we will learn about reflex angles.

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About This Lesson

After learning about straight angle, we will now learn:

What are reflex angles.
See some examples on identifying them.

The study tip below will give you a short summary and it can be used to recall the properties of this angle.

The math video below will explain more in depth about this angle. Furthermore, it will show some examples to identify this angle so that you can understand this lesson better.

Study Tips

Tip #1

If an angle is more than 180° and less than 360°, it is a reflex angle. Here are some examples:

The math video below will explain more on this.

Math Video

Lesson Video

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Math Video Transcript

00:00:03.140
In this lesson, we will learn about this type of angle

00:00:08.010
Let's take a look at this angle.

00:00:11.190
Now, when this angle is somewhere between 180 degrees and 360 degrees, it is called a rfx angle.

00:00:25.080
In other words, a rfx angle is always more than 180 degrees and less than 360 degrees.

00:00:35.010
Let's see some examples on this.

00:00:38.080
This is a 230 degrees angle. Is this a rfx angle?

00:00:45.140
Yes! It is.

00:00:49.000
Next example, take a close look at this angle. Is this a rfx angle?

00:00:58.140
We know that a rfx angle is more than 180 degrees.

00:01:04.200
Since this angle is not more than 180 degrees, it is not a rfx angle.

00:01:12.100
Next, how about this angle?

00:01:16.200
Clearly, it is a rfx angle.

00:01:21.060
That is all for this lesson.

Practice Questions & More

Multiple Choice Questions (MCQ)

Now, let's try some MCQ questions to understand this lesson better.

You can start by going through the series of questions on reflex angles or pick your choice of question below.

Question 1 on identifying this type of angle.

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