Diameter of a Circle. C p x d. The distance from one point on a circle through the center to another point on the circle.
Radius formula is simply derived by halving the diameter of the circle.
When the diameter of the circle is given and students want to use it in the formula then there is the following formula to find the area of the circle using its diameter. When we connect a point. Illustrated definition of Diameter. That is to say you can find the circumference of a circle just by multiplying the diameter by pi.