A circle with a radius of 4.5Cm has an area of 63.62Cm2
Chat with our AI personalities
r= 9 so diameter is 2x the radius =18 cm
The diameter of a circle is double the radius so it has to be 9cm
The area of a circle with a diameter of two cm is about 3.1416 cm.
The area of a circle if the diameter was s 7ft is 38.48ft
Area of a circle = (1/4) x (pi) x (square of the diameter)