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To find the radius you should either know the area or the circumference.
The area is found by multiplying the radius squared by pi which is 3.14159
The equation is ... A=pi x r2
The area is the total amount of space inside the circle
The circumference is found by multiplying 2 and pi and radius together.
The equation is ... C=2 x pi x r
The circumference is the total amount of length around the outside of the circle.
So with this information you should be able to find the length of the radius.
If your not sure what the radius is. The radius is the length from the center of the circle to one of the points on the outer side of the circle. The radius is the same distance to any point on the outer side of the circle as long as the radius starts in the middle point of the circle.
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What is the length of the radius of the circle?
The radius of a circle is the length of the line from the center of the circle to any point on its edge.
What is the relationship between the length of the diameter of a circle and length of the radius of that circle?
The diameter of any circle is twice its radius
What is the length of a radius and the length of a diameter?
The length of a radius of a circle is half of the diameter of the same circle. So, diameter is always twice the radius.
How does the length of the diameter of a circle compare to the length of the radius of that circle?
diameter = 2 X radius
If the length of a diameter of a circle is 11 what is the length of a radius of this circle?
the radius is half the diameter. radius is half of 11. Which is 5.5.
