Videos, worksheets, stories and songs to help Grade 6 students learn about the Circle: Area, Circumference, Radius, Diameter
Circumference = π × d
Area = π × r2
The following figures give some mnemonics to help you remember the formulas for the circumference and area of a circle. Scroll down the page for more examples and helps.
Learn circumference, radius, pi and more through music!
The Circle Song
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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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