Maths Of A Circle | Tiny Tunes

In this song we learn all about the Maths of a circle. We look at the terms for different parts of the circle such as radius, diameter, circumference and area. We then look at the equations for calculating the circumference and area using known measurements and the value pi.

Song Written and Performed by Nathan J Laud.
Animation by Squash & Stretch Animation Ltd.
Copyright 2019 Nathan J Laud/Tiny Tunes: All rights reserved.
This is an ORIGINAL song written in 2019 - any copying is illegal.

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Song lyrics
For the maths of a circle there's some terms you should know.
Radius, diameter, circumference and area.
The distance from the middle to the edge is the radius.
From one edge to the other the diameter.

Circumference of a circle is pi times diameter.
And the area is pi times radius squared.
Circumference of a circle is pi times diameter.
And the area is pi times radius squared.

Circumference is the distance round the outside of the circle.
And the area the space that it covers.
We can calculate them both if we know other measurements.
Using radius, diameter and pi.

Circumference of a circle is pi times diameter.
And the area is pi times radius squared.
Circumference of a circle is pi times diameter.
And the area is pi times radius squared.

Radius
Diameter
Circumference
Area
Radius
Diameter
Circumference
Area

Circumference of a circle is pi times diameter.
And the area is pi times radius squared.
Circumference of a circle is pi times diameter.
And the area is pi times radius squared.