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To find the diameter of a circle with an area of 254 cm², you first need to calculate the radius. The formula for the area of a circle is A = πr², where A is the area and r is the radius. So, 254 = πr². Solving for r gives you r ≈ √(254/π) ≈ 9 cm. The diameter of a circle is twice the radius, so the diameter of this circle is approximately 18 cm.

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4d ago

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Wiki User

15y ago

Circle area = (pi)r2 = 254
r2 = 254/pi
r = √254/pi ≈ 9
2r = diameter = 2(9) = 18 cm

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Q: What is the diameter of a circle with an area of 254 cm?
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