let d be the diameter of the circe. So the radius is d/2 or half the diameter by definition. The area of the circle is Pi x r^2 so it is Pi (d/2)^2 this is (Pix d^2)/4 SO the area is Pi times the diameter squared all divided by 4
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The diameter of a circle with an area of 37.68 is 6.92
To find area of a circle using diameter, you use this formuler. Area=pi(diameter/2)(diameter/2)
A circle with a diameter has an area of 50.265486543928724876568901 sq. ft.
The area of circle that has diameter of 14 centimeters is: 153.9 cm2
The area of a circle that has a 10 ft diameter is: 78.54 square feet.