Equation for the area circle = pi x radius squared If the area is 144pi, then you need to find the square root of 144, which is 12.
Therefore, radius = 12
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If the circumstance of a circle is 108pi then what is the radius of the circle
To find the circumference of a circle then multiply pi (3.14159265...) by the diameter of the circle. To find the area then multiply pi by the radius squared.
The area of a circle is π (Pi) times the Radius squared.
If the circumference or diameter is given then you can find the radius or simply measure the distance from the centre of the circle to the circumference.
Well, darling, to find the radius of a circle when the area is 96, you first need to remember that the formula for the area of a circle is πr^2. So, plug in the area of 96 and solve for the radius. The radius would be 4√(π), or approximately 6.93 units. Voilà!
You find the area of the entire circle (pi x radius^2), and then multiply it by 1/4 or 0.25.