Essentially, the diameter is twice the radius, as the largest distance between two points on a circle has to be a line segment through the center of a circle. For example, if the

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When the diameter is known, the formula is Radius = Diameter/ 2. When the circumference is known, the formula is Radius = Circumference/2π. When the area is known, the formula for the radius is Radius = ⎷ (Area of the circle/π).

Diameter is the length of the line through the center that touches two points on the edge of the circle known as the circumference while radius is the distance from the center to the circumference of a circle. Formula to calculate radius

Radius Of Circle From Area. You can use the area to find the radius and the radius to find the area of a circle. The area of a circle is the space it occupies, measured in square units. Given the area, A A, of a circle, its radius is the

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