In this video, let's discuss what we mean with angles, an angle is a figure or a shape formed by two
race meeting at the common end point.
Let's take an example here.
We have a shape and this shape is what we call an angle.
Let's name these points over here.
All right.
But we have point A to point B and point see, now, the two race are A, B and C, and the common endpoint
is point eight.
Now, point eight is called the vertex or the origin of the angle.
And these are the arms of the angle.
All right.
Now, how do we indicate this angle?
We draw a small curve over here to indicate this angle right now.
What is the name?
How do we call this angle?
Let's see that next.
This angle can be called angle E and note that this shape over here reads this angle.
Now, we can also call this angle as angle B, E, C.
Now, why is that?
So if you trace this part B, E, C to get this shape back.
Right.
So this spot over here is B, C, that's why we call this angle as angle Biasi or angle it.
Or we could also call this angle CAIB.
All of it is the same.
Now why do we have these two methods of calling the angle?
Imagine the angle like this.
If it was over here, you have one more over here.
See right now if you see angle, it gets confusing, right?
You don't know whether you mean this angle over here or this angle over here or this angle over here.
But if we have point B over here, over here, say these over here and say, see over here, then if
you want to talk about this angle over here, we can mention it as angle B B, so that's why it's convenient.
And therefore, we have this way of naming angles.
Now, if it's the case like this where you just have one angle over here, you can just call it angle
eight.