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What is the relationship between the Radius to the circumference?
The circumference is ALL the way around the circle, while the radius is only HALF way into the middle of the circle. I'm guessing you meant "What is the relationship between the radius of a circle and its circumference?" Radius is half of the diameter of a circle, circumference is PI times diameter; therefore, the circumference is PI times two times radius.
Why would you use a formula to determine the circumference of a circle?
There is a constant relationship between the radius of a circle and its circumference. This is expressed in a formula.
What types of circles are there?
Radius, Diameter, Arc,Seicircle, Circumference and area.
If there are two circles and the small one has diameter of 20 what is the radius of the big circle?
You need some more information about any of the circles, or about the relationship between the two circles, to answer this question.
How many times does the radius of a circle fit along the circumference of the circle?
Ah, what a delightful question! The radius of a circle fits into the circumference of the circle exactly 2 times. Just imagine the radius wrapping around the circle, giving it a warm hug, and then doing it one more time for good measure. It's a beautiful relationship between the radius and the circumference, creating harmony and balance in the circle's lovely shape.
