Education, study and knowledge

Area and perimeter of a rectangle

In this video I will explain how to find the area and perimeter of a rectangle. The area of ​​a rectangle It is found from the following formula:

To find the perimeter of a rectangle we will have to add all its sides. So, in the following image, if you add all its sides, you will see that the perimeter of this rectangle is 16cm.

How to calculate the AREA of an octahedron

How to calculate the AREA of an octahedron

To calculate the area of ​​an octahedron we must make the sum of the surfaces of the eight faces ...

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How to calculate the volume of a HEXAHEDRON

How to calculate the volume of a HEXAHEDRON

To calculate the volume of a regular hexahedron you need to know the measurements of the width, l...

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How CONCAVE angles are measured

How CONCAVE angles are measured

There are different types of angles and among them we can classify concave angles as those whose ...

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