The area of a circle is πr2 where π=3.14159 (approx) and r = radius of the circle. So 3.14159 x 8 x 8 = 201.06193 square inches.
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201.06
The area of a circle with a diameter of 16 inches is: 201.1 square inches.
A 16-inch circle has an area of 201.06 square inches.
radius = ½ diameter area circle = π × radius² = π × (½ × 6.5 in)² = 169π/16 in² ≈ 33.2 in²
201 square inches.