 | Research & Education Association Editors, Ernest Woodward - Mathematics - 2012 - 1080 pages
...definition, each point lying on a circle is an equal distance from the center of the circle. The distance from the center of the circle to a point on the circle is called the radius of the circle. Using the distance formula, we may obtain the equation of the circle... | |
 | AnnMae Johnson - Education - 1998 - 258 pages
...distance around a circle. Diameter is the distance across the center of a cirde. Radius is the distance from the center of the circle to a point on the circle. area of a circle - *JT r r* = r X r = 3.14 F. Estimate and then calculate the circumference of the... | |
 | James Flynn - Mathematics - 2002 - 302 pages
...each line segment is. Line segments AO, BO, and CO are all radii (plural of radius), because they go from the center of the circle to a point on the circle. Line segments AO, BO, and CO are all congruent to each other because all radii of the same circle are... | |
 | Achievement tests - 2004 - 113 pages
...circle is the line segment through the center of the circle with endpoints on the circle. The radius of a circle is a line segment from the center of the circle to a point on the circle. The length of the diameter of a circle is twice the length of the radius of the circle. The ratio of... | |
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The radius of a circle is a line segment from the center of the circle to a point on the circle. 