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Divide the circumference of 62.8 by 2*pi to find the radius which is about 10 units

Area of the circle: pi*10*10 = 100*pi square units

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The circumference of a circle is 628 centimeters What is the approximate radius of the circle?

circumference (C) = 2piR = Two x Pi x Radius Pi = 3.14.... R= C/2pi if C = 628 R = 628/ 2 (3.14...) R= 99.949 cm


Which country dialing code is 628?

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How do you get the circumference of a circle knowing the area?

area = π x radius2 ⇒ radius = √(area ÷ π) circumference = 2π x radius ⇒ circumference = 2π x √(area ÷ π) ⇒ circumference = √(4π2 x area ÷ π) ⇒ circumference = √(4π x area) So knowing the area, the circumference can be calculated by taking the square root of the area multiplied by 4 times π Example: What is the circumference of a circle with area 78.54cm2 Circumference = √(4π x area) = √(4π x 78.54cm2) ~= 31.42cm


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Area = circumference squared... You do circumference divided by 4,... and then divide that by Pi.


What is the formula for area circumference?

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If the area is 628 what is the radius of a circle?

To find the radius of a circle with a given area of 628, you can use the formula for the area of a circle, A = πr^2, where A is the area and r is the radius. Rearranging the formula to solve for the radius, you get r = √(A/π). Substituting the given area of 628 into the formula, you get r = √(628/π) ≈ √(199.87) ≈ 14.14. Therefore, the radius of the circle is approximately 14.14 units.


How you get area of a circle from the circumference?

Circumference = 2πr so r = circumference/2π Then area = πr2