Starting from the diameter, you can easily find the other two. The diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circumference of the. T D 25 : ) 4 tion area of a circle of diameter unity, whatever be the value of a : and because the property of one circle is the property of all circles. The diameter is twice as long as the radius, so if the radius is 2 inches, for example, the diameter would be 4 inches. The length between any point on the circle and its center is known as its radius.Any line that passes through the center of the circle and connects two points. The diameter is a special type of chord, a line that joins any two points of a circle.
The circumference – the length of the outside boundaries of the circle The diameter of a circle, by contrast, is the longest distance from one edge of the circle to the opposite edge.Area: Diameter: Circumference: BookMark Us. If D the diameter of the circle be a given finite quantity, the radius of the circle is ascertainable with perfect accuracy, and R ' X area in every. The radius – the distance from the circle's center or origin to the edge, one half the diameter Enter the circle area, diameter, or circumference and it will solve for the other two. The diameter of a circle is the length of a straight line drawn between two points on a circle where the line also passes through the centre of a circle, or any two points on the circle as long as they are exactly 180 degrees apart.There are three dimensions most often used to describe a circle: So if the diameter of circle C is three times larger than the diameter of circle D. If you draw two opposing line segments from the circle's origin to the edge, you just drew the diameter. We know that the radius is just the diameter of a circle divided by 2. The radius can be any measurement of length. The diameter of a circle is the distance from edge to edge of a circle passing through its origin or center.Ĭonveniently, it is twice as long as the radius of a circle. Find the area with this circle area formula: Multiply Pi (3.1416) with the square of the radius (r) 2. Below is a diameter calculator, which will compute a circle's radius, circumference, and area if you know the diameter.ĭo you know a different dimension? Instead try one of the related circle dimension calculators:ĭiameter Calculator What is a Circle's Diameter?