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# Area & Circumference of Circles Song

## Math Songs

So let’s start with a given point, we’ll call it Point A
From here how do we make a geometric circle shape?
You pick a point here, draw a dot, and then measure
The distance of your dot to our Point A circle center

Now keep on plotting points, that same distance away
Just keep plotting and plotting until we’ve got our full circle shape

Ok your circle’s looking fine, now for some terms to define it
Let’s learn area, diameter, circumference, and what PI is

Then the diameter
And PI equals 3.14 plus more

Alright so back to point A, our center as we discussed
The distance to the edge of the circle is the radius
And if we extend that line across the full length of the circle
Then we use a D and call this the diameter

But how about the distance all the way around the edge
Here we use the letter C, and call this one the circumference
To find this we use C = D times PI
Or 2(PI) times R if the radius is all that you can find

Alright, so what does this PI number mean?
Ratio of a circle’s circumference to diameter, it’s always
3.141592653589793238462643383279502884197

So y’all witnessed from this exhibit that this Pi number’s infinite
It just goes on, on and on, an irrational number that never ends