Radius
line segment drawn from the center of a circle to any point on the circle and is half the length of the diameter of the circle
The radius of a circle is the distance from the center of the circle to any point on its circumference. It is denoted by the letter r and can be calculated using the formula:
r = c / (2 * π)
where c is the circumference of the circle and π (pi) is a mathematical constant approximately equal to 3.14.
Alternatively, if the diameter (d) of the circle is known, then the radius can be calculated using the formula:
r = d / 2
The radius of a circle is an important measurement in geometry and is used to calculate other properties of circles, such as the area and circumference.
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