Category: Updates

What are 5 perfect squares?

The first 12 perfect squares are: {1, 4, 9, 25, 36, 49, 64, 81, 100, 121, 144…} Perfect squares are used often in math. Try to memorize these familiar num...

How many pyramids make a cube?

six pyramidsFirst it is vital that the base of the pyramid is a square. Secondly it is vital that the height of the pyramid be half the length of the base...

Where is abouts in the world?

Countries in the World: There are 195 countries in the world today. This total comprises 193 countries that are member states of the United Nations and 2 ...