area = π × tradius²
→ area = π × 6² = 36π.
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The radius is 9 inches because area of circle is pi*9 squared = 81pi square inches and the diameter is twice the radius which is 2*9 = 18 inches
168.56 square inches
Exact area of the circle: 9*pi inches
Exact area of the circle: 9*pi inches
6.25PI