Resultaten

Patterns and processes of evolution. How evolution and natural selection are reflected in the similarities and differences of organisms. 

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.

Density of a solid for a regular shaped body. Definition, meaning and its simple calculation

This video explains the equation of a circle.