A = ~3.976 units2
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Area = 706.5 Area of a circle = pi x r2 Diameter = 30, then radius = 15 pi x r2 3.14 x 152 3.14 x 225 = 706.5
Area of circle = Pi/4 x diameter2 = Pi/4 x 225 = 56.25 Pi = 176.7146 square metres.
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)