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Find the circumference and area of the circle having a given diameter of d = 13 cm
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Find the circumference and area of the circle having a given diameter of d = 13 cm

User Holmes IV
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Circumference of circle = pi*diameter = 13pi cm

Area is pi*d^2/4 = pi*13^2/4 = 42.25pi cm^2.
User Eliocs
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