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 YouTube video explains how river basins are formed.
This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.
In this course you will learn about:
By the end of this unit you will be able to:
In this video you will learn how to use the Pythagoras theorem.
This 32 minute long YouTube video investigates the water contamination problems in Tanzania, with specific focus on Dar Es Salaam.