Divide the area (in square units) by Pi (approximately 3.14159). Example: 303,000/3.14159 = 96447.98 ... Now double the radius to get the diameter (Example: 621.12 meters). ... Diameter units:

Online area calculator. ... The Radius of a circle is the distance from the center of the circle to the outside edge. Thus the diameter of the circle is twice the size of the radius of a circle.

pi ( ): A number, 3.141592..., equal to (the circumference) / (the diameter) of any circle. radius: distance from center of circle to any point on it.

The distance around a circle is called the circumference. The distance across a circle through the center is called the diameter. is the ratio of the circumference of a circle to the diameter.

We use the Greek letter (pronounced Pi) to represent the ratio of the circumference of a circle to the diameter. ... Use = 3.14 to calculate your answers.

An interactive math lesson about finding the fourth angle of a quadrilateral ... Practice Your Spelling List ... States of the United States

* Draw a square inside the circle. Calculate the area of the square. * Estimate the area of the circle by relating it ... Expected responses: The circumference of a circle is 3.14 times its diameter.

(Klicken Sie auf einen der obigen Begriffe.) ... links ordered by themes: ... fractions geometry equations arithmetical operation trigonometry accessories

Calculate the volume, surface area, circumference, diameter and radius of a sphere from any starting point e.g. if you know the volume you can derive the radius. ... Circle Area = π r2

In other words, dividing the perimeter of any circle by its diameter always gives the same answer, and this number ... Over human history there were many attempts to calculate this number precisely.