Dimensions Of A Circle

How To Determine The Geometry Of A Circle Learn how to measure the radius, diameter, circumference and area of a circle using formulas and examples. use this online tool to calculate any of the circle measurements given one of them. The radius is just the line from the center of the circle. the diameter goes all the way through the center. the circumference is the area around the circle. you find the radius by taking the diameter and dividing it by 2. the diameter is found by multiplying the radius by 2. ex: the radius is 7.5.

Dimensions Of A Circle Use this online tool to find any value of a circle based on the other three. learn the definitions, formulas, and properties of circles and their parts. This is the circle's diameter, in this case, 31.8 centimeters. divide by 2. this result is the circle's radius of 15.9 centimeters. multiply the radius with itself, getting the square, in our case 256 cm². multiply by π, or 3.14 for an estimation. that's it; a circle with a circumference of 1 meter has an area of 795.78 cm². Choose the useful one based on the data you have. this calculator will automatically estimate all of the other values. the first one is based on the radius of the circle. the diameter equals the length of two radiuses. d = 2 r. d=2r d = 2r. area of a circle: d = 2 a π. d=2\sqrt {\frac {a} {π}} d = 2 πa. Learn what a circle is, how to measure its radius, diameter and circumference, and how to calculate its area. explore the special names and properties of lines, slices and angles related to circles.