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What is the area of a circle where the diameter measures 450mm?
Wiki User
∙ 11y ago
The formula to find the area of a circle is A = πr2, where A is area, π is pi (3.14159), and r is the radius. The radius is half the diameter, 1/2d or d/2.
r = d/2 = 450mm/2 = 225mm
A = πr2 = 3.14159 x (225mm)2 = 15904mm2
Wiki User
∙ 11y ago
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