The radius of a circle is r yards. Is the area of the circle at least r square yards? (1 yard = 3 feet)

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The radius of a circle is r yards. Is the area of the circle at least r square yards? (1 yard = 3 feet)

(1) The diameter of the circle is more than 2 feet.
(2) If the radius of the same circle is f feet, the area of the circle is more than 2f square feet.



OA A

Source: Manhattan Prep