This is the diameter of a circle that corresponds to the specified circumference. It is twice as long as that of the radius of. This equals cm 2.82cm, so the diameter of the circle is 2.82 x 2 5.64cm. In a circle, diameter is a line that passes through the center and meets the circumference at opposite ends. If you draw two opposing line segments from the circle's origin to the edge, you just drew the diameter. Conveniently, it is twice as long as the radius of a circle. Find the circumference of this circle: r 10 units 2 5 units. The diameterof a circle is the distance from edge to edge of a circle passing through its origin or center. Note: When you know the radius of a circle, you can find the diameter of that circle with a simple multiplication problem Follow along with this tutorial. We then use the appropriate value in this equation: C 2 r (where r represents radius, of course). The radius of a circle with a diameter of 6 cm. 3 Example If the area of the circle is 25 cm 2, divide that by and find the square root. In order to calculate a circleвЂ™s circumference, we need to know either its diameter or its radius. Draw a circle of 6 cm and find the radius If the diameter is what you are talking about that is 6 cm, you must divide that number by two to find the radius because the radius is half a diameter. The formula used to calculate the circle diameter is:Д®nter the circumference which is the total length of the edge around the circle, if it was straightened out. This goes back to manipulating the formula for finding the area of a circle, A r 2, to get the diameter. The diameter of a circle is the distance from one edge to the other, passing through the center. The diameter of a circle is the straight line passing through the center of the. This tool will calculate the diameter of a circle from the circumference, and will convert different measurement units for circumference and diameter. Circumference or perimeter of a circle is defined as the distance around it. Sphere surface area to diameter calculator.Calculate circumference of circle from diameter.

Diameter of a circle