Area of a circle = pi x radius squared.
The radius of a circle is equal to half the diameter, in this case 600/2 = 300mm.
So area = pi x 3002 = 282743 mm2 (nearest mm2)
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Its circumference = 600*pi mm
The perimeter of a circle is called the circumference. Its formula is C = pi x diameter. The value of pi is often rounded to 3.14 for problem solving purposes. So just plug in the values for pi and the diameter into the formula to get the circumference of the circle: 3.14 x 600mm = approximately 1884 mm.
You would first start by dividing the diameter by two to get the radius. This provides a radius of 1.375 inches. The formula for the area of a circle is pi*radius^2. So 1.375^2 = 1.891. This answer multiplied by pi gives a final area of 5.94 square inches.
circomference of a circle = pi*diameter = pi*14
600mm x 600mm is 0.36m2.