Circle Terminology
There are some key words that you need to know for circles: radius, circumference, diameter, sector, segment, tangent, chord and arc. In this video you will discover what they all mean.
There are some key words that you need to know for circles: radius, circumference, diameter, sector, segment, tangent, chord and arc. In this video you will discover what they all mean.
This video discusses the topic of circles.
This video explains the equation of a circle.
This video explains the theorem of Pythagoras.
This online resource introduces the geocentric and heliocentric models. Exoplants, planets and their motions, planetary orbits, the role of gravity and how the solar system was formed are also covered.
This fascinating video details the journey that a group of friends made in Nevada. Their aim was to illustrate the solar system to scale.
By the end of this unit you will be able to:
In this course you will learn about:
In this video you will learn how to use the Pythagoras theorem.