How to Calculate Perimeters
This video explains how to calculate the perimeter of various 2D shapes.
This video explains how to calculate the perimeter of various 2D shapes.
This video introduces you to the concept of ratios.
Introduction to magnetism: Wikipedia article that provides an overview of the concept.
The force that acts across the air gaps between magnets is the same force that creates wonders such as the Aurora Borealis. In fact, magnetic effects pervade our lives in myriad ways, from electric motors to medical imaging and computer memory. In this chapter, we introduce magnets and learn how they work and how magnetic fields and electric currents interact.
This is a short tutorial on how to define and measure the perimeter of shapes
This YouTube video can help to get deeper understanding on solving ratio and proportion problems.
In this course you will learn about: