3 years ago

When would we need to calculate circumference of a circle? Area of a circle?

1 answer:

3 0

If you know the diameter or radius of a circle, you can work out the circumference. To begin with, remember that pi is an irrational number written with the symbol π. π is roughly equal to 3.14. You can also work out the circumference of a circle if you know its radius.

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