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.
In this lesson you will learn about:
This YouTube video delves into the impact that tourism can have on a country's economy.
When electromagnetic radiation is absorbed by a material the energy it carries has to go somewhere. When lower energy waves, like radio and infrared waves, are absorbed there can be an increase in temperature of the absorbing material. Higher energy waves, like x-ray and gamma waves, can actually permanently damage or change materials. Learn about the different types of electromagnetic waves and how their energies can influence their effects on objects.
This YouTube video delves into the impact that tourism can have on the environment.
This video explains the equation of a circle.
This video explains how to calculate the gradient (slope) of a straight line.
This YouTube video explains how to calculate an irregular area on a map.
This YouTube video explains how to calculate a regular area on a map.