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What is the surface area of a circular spa with a diameter of 12 feet?
Wiki User
∙ 11y ago
113ft2
The formula for area of a circle is A = (pi)r2. If the diameter is 12 feet, then the radius is 6 feet, so:
A = (3.14...)(6)2 = (3.14...)x36 = 113.09... = approx 113
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∙ 11y ago
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