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To find the circumference (distance around) of a circle, use the formula pi x d (d=diameter)

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Q: How do you work out perimeter of circle?
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How do you work out the perimeter of a circle?

It is pi r 2


Work out the perimeter of the semi-cirle when diameter is 15cm?

The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).


What name is given to the perimeter of circle?

The perimeter of a circle is its circumference


How do you work out the perimeter of a third of a circle?

The circumference of a circle is pi times the diameter. If you want a third of that, divide by 3. (Pi is approximately 3.14) Then to get the perimeter add the diameter to the circumference of the 1/3 of the circle.


Is the perimeter of a circle cubed?

No because the perimeter of a circle is its circumference


What is the name for the perimeter of a circle'?

circumference


What is the name of the perimeter of a circle?

The perimeter of a circle would be the circumference.


What is the ther name for the perimeter fora circle?

The perimeter of a circle is its circumference


What is perimeter in circle?

Pi (3.1415...) times the diameter of the circle = the perimeter


What is the equation to find the perimeter of a circle?

Circumference ("perimeter") of a circle = (pi) x (diameter of the circle)


How do you find the perimeter if you already know the circumference of a circle?

The circumference of a circle is the length of the circle's perimeter.


How do you find the perimeter when circumference is given?

When the shape is a circle, then the perimeter is called"circumference".The circumference IS the perimeter of a circle.