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Subjects>Math>Geometry

What is the area of a circle when the diameter is 7 mm?

Anonymous

∙ 15y ago

Updated: 2/4/2025

Well, honey, if the diameter of a circle is 7 mm, then the radius is half of that, which is 3.5 mm. The formula for the area of a circle is πr^2, so plug in 3.5 for the radius and you get an area of approximately 38.48 square millimeters. So there you have it, darling!

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∙ 2mo ago

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More answers

Diameter of a circle is pi times the square of its radius. For a circle having a diameter of 7 mm, area = pi (3.1416) x 3.5 mm x 3.5 mm = 38.5 square millimeters.

Wiki User

∙ 15y ago

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Continue Learning about Geometry

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