Area is (Pi/4) x d2 = (Pi/4) x 36 = Pi x 9 = 28.2743 square inches (to nearest 4th decimal)
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Exact area of the circle: 9*pi inches
the chord is 4in long
The area of a circle with a diameter of 9.4 m is: 69.4 m2
If the area of a circle is 8pi, its diameter is: 5.657 units.
Assuming a diameter of 5 inches.The area of this circle is: 19.63