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Earn +20 ptsQ: What is equation for the circumference of a circle?
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How do you measure the circumference of the circle?
The equation for the circumference of a circle is pi times radius squared.
What is the circumference of a circle with a radius of 15.5cm?
the equation for the circumference is Pi * double the radius which is 3.1416 * 15.5 * 2 The circumference of a circle with a radius of 15.5cm is 97.3cm.
What is the equation to find the perimeter of a circle?
Circumference ("perimeter") of a circle = (pi) x (diameter of the circle)
Is circumference of a circle the same as the perimeter of a circle?
Yes it is, because both of them are just the distance around the circle, the equation forthe circumference is pi x Diameter.
How does the circumference of a circle change if you double its diameter?
Since the equation for circumference is pi*d then if you double the diameter the circumference will be doubled.
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