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math formula of circle. The unit of area is the square unit such as m2 cm2 etc. Area of Circle pr2 or pd24 square unit where p 227 or 314 This area formula is useful for measuring the space occupied by a circular field or a plot.
How To Calculate Arc Length Of A Circle Segment And Sector Area Circle Math Parts Of A Circle Circle Theorems from www.pinterest.com
Equation of a circle. Where r is the radius of the circle. X 2 y 2 5 2.
It is usually expressed as 314 159 but its digits go on infinitely.
The outer line of a circle is at equidistant from the centre. Where C is the circumference and d is the diameter of the circle. Here are the circle equations. Chapter 1 Basic Geometry Geometry Distance Formula in.
