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The diameter of a circle is 105 cm less than the circumference What is the diameter of the circle?
Sushilachoudhary
The formula to calculate the circumference of a circle is C = 2πr = πD
D, the diameter of the circle is C - 105.
Therefore C = π (C - 105) = πC - 105π
πC - C = 105π : C(π - 1) = 105π
C = 105π/(π - 1)............as C = πD then
πD = 105π/(π - 1)
D = 105/(π - 1) = 49.03 ( to 2 decimal places)
The diameter of the circle is 49.03 cm
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∙ 14y ago
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The circumference of a circle is 3.14159… times, or pi times bigger than its diameter.
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8.68
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What is the circumference of a circle with diameter 20 inches?
Use the following formula to figure diameter when the circumference of a circle is known: Circumference = Pi x Diameter 20 = 3.1415927 x D D = 6.366
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