The space occupied within the boundary or circumference of a circle is defined as the area of a circle. It is the region occupied by the circle in 2D (Two-Dimensional).
The formula for the Area of the Circle is,
Where,
A = area of the circle
(pi or Pythagorean constant) = or 3.14
r = radius of the circle (in m, cm, and so on)
Therefore, Area of circle with radius 9 unit is 254.34 sq. unit
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