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Subjects>Math>Geometry

What is the formula for calculating radius?

Anonymous

∙ 15y ago

Updated: 4/28/2022

If it is just the radius, it is half of the diameter. If you are given the circumference, divide the given measure value by 3.14. Then, divide the result by 2 to get the radius! Have fun! If you need any help with other math formula's just post another answer. I'll write full, complete, and correct answers that I'm sure about.

David (venom751998)

Wiki User

∙ 15y ago

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Q: What is the formula for calculating radius?

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Continue Learning about Geometry

If 8 is the radius what is the circumference?

The formula for calculating the circumference of a circle is 2pr where r=radius and p (pie) = 3.1416 so for your question thr circumference = 2 x 3.1416 x 8 = 50.2656

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Calculating the radius of a semicircle depends on what information about the semicircle is given.

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The area of a sphere is 4 (pi) (radius)2. The area of 1/2 of the sphere is 2 (pi) (radius)2. If you want to add in the flat end of the hemisphere, that makes the total surface area 3 (pi) (radius)2.

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Assuming the shape is a regular dodecagon, the formula for calculating the perimeter for a dodecagon of side length n is equal to 12n.

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What do you mean 'finding'? Pi is the ratip of the circumference to the radius of a circle.

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