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It is a federal registration mark in the US.

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Q: What is R with a circle around it?
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Related questions

What does a r with a circle around it mean?

radius


What is the formula to calculate the running ft around a circle?

If you mean the circumference or "perimeter": C = 2(pi)r, where r is the radius of the circle


What does the r with a circle around it mean?

Symbol for "registered trademark"


What is C equals R times 2 times Pi?

The circumference of a circle. This is the total amount of length around the circle. C= Circumference R= radius of the circle Pi=3.14159


What does the R with a circle around it mean that is on clothes?

that symbol means trademark


Can you put something on YouTube that already had an r with a circle around it?

of corse


What is the distance around the edge of a circle?

2πr r being raduis


What is the Amount of space a circle takes up?

The amount of space a circle takes up is determined by its area, which can be calculated using the formula A = π * r^2, where r is the radius of the circle.


What is the circumference of a circle and how do you find it?

The circumference of a circle is its perimeter, or the distance around it. It equals 2(pi)r or pi*d, where r is the radius, d is the diameter and pi is 3.14...


How do you find the circumfirence of a circle?

The circumference of a circle is the distance all around the edge of the circle. To find the circumference of a circle, you use the formula C equals 2 times pi times r, where pi is equal to 22 over 7 and r is the radius.


What does circumference mean?

The size of something, distance all around it.Circumference is the distance around the perimeter of a circle.


What happens to the area of a circle when the radius is tripled?

The area of the circle becomes 9 times the area of the original circle. Original circle = Pi * (r ^ 2) = Pi * r * r New Circle = Pi * ((3 * r) ^ 2) = Pi * 9 * r * r