# math

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how do you work out a radius and diameter don't know at all there is a circle with the number 5mm and they want me to tell them what the radius is and the diameter

• math -

What does the 5mm represent?

Is it the circumference?

• math -

The common distance of the points of a circle from its centre is called its radius.

go to en.wikipedia and type circle in search field.

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