The Formula For Diameter. You can transform this into r = √(a/π) cm.3 x research source. The formula to calculate the diameter of a circle or a perfectly round shaped figure describes the relationship between its diameter and the radius.
The diameter is the measure from one point on a circle, to the other point where the distance is maximum.
Circle within given tangent and diameter chord. I need the formula for finding the diameter of a cylinder using it's volume and height. The diameter is the measure from one point on a circle, to the other point where the distance is maximum. The diameter is the biggest line passing through the center of a circle.