Save guides, add subjects and pick up where you left off with your BBC account. The circumference of a circle is the distance around the circle. It is another name for the perimeter of a circle.

Save guides, add subjects and pick up where you left off with your BBC account. The circumference of a circle is the distance around the circle. It is another name for the perimeter of a circle.

Want to calculate the radius of a circle from its area or perimeter? Here are the key formulas that no one explains clearly! #CircleRadius #MathTip #EasyGeometry Musk appears in Oval Office with ...