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formula for a diameter of a circle. One method of deriving this formula which originated with Archimedes involves viewing the circle as the limit of a sequence of regular polygons. The equation of a circle with center h k and radius r units is x h 2 y k 2 r 2.
The Distance Around A Closed Curve Is Called As The Circumference Of The Circle It Is Also Defined As The L Perimeter Formula Circle Formula Solving Equations from www.pinterest.com
Say aloud the meaning of the formulas symbols to make sure you understand saying Circumference equals pi times the diameter of a circle 0000. As you can see from the figure above the diameter is two radius lines back to back so the diameter is always two times the radius. To calculate the circumference of a circle use the formula C pd where C is the circumference d is the diameter and p is 314.
The formula for working out the circumference of a circle is.
Take square root for the obtained value and multiply the answer with 2 to get the resultant value which is the diameter. The diameter of a circle is the length of a straight line drawn between two points on a circle where the line also passes through the centre of a circle or any two points on the circle as long as they are exactly 180 degrees apart. The diameter is essentially composed up of two segments that are each a radius. In terms of circumference the diameter can be computed using the equation d cpi where c represents the circumference and pi is approximately equivalent to 3142.
