The length of the radius of a circle is measured by a straight line from the centre to the edge.
The length of the diameter of a circle is measured by a straight line from one side, through the centre, to the other side.
The length of the circumference is calculated by multiplying the diameter by the constant pi... which is usually approximated to 3.1416.
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there is no length or width of a circle. There is radius and circumference and the line that goes all the way through the center to the other side of the circle, which is twice the radius. But there is no length or width of a circle.
The width, or the length of a circle are its diameter.
To create a circle out of bricks, the number of bricks required will depend on the size of the circle and the dimensions of the bricks. The circumference of the circle will determine the length of the perimeter that needs to be covered by bricks. The number of bricks needed can be calculated by dividing the circumference of the circle by the length of a single brick. This will give you an estimate of the total number of bricks needed to form the circle.
A radius of a circle is a line segment joining the center of the circle to a point on the circle. All such segments have the same length, and this length also called the radius of the circle.
The radius is 1/2 of the diameter. A diameter of 10 has a radius of 5.