This video teaches clearly about circles, what radius and diameter is?, how circumference is calculated?, what is π (pi) after all?, why pi r squared is used to find area? etc. After watching the video students will get complete understanding of circles...

To know more about Perimeter, Area, and Volume, please visit https://DontMemorise.com .
Don’t Memorise brings learning to life through its captivating FREE educational videos.
New videos every week. To stay updated, subscribe to our YouTube channel :...

Work out the area of a circle by using pi (3.1415) and the radius (half the width or diameter of the circle) - so that Area - Pi x radius x radius.
We then work out perimeter of circles using pi and radius - so that circumference = 2 x Pi x radius.
Fina...