if circumference is 10 inches what is the diameter?
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Answer and Explanation: The diameter of a circle is D=10 inches D = 10 inches . Therefore, the radius of the circle is 5 inches . Therefore, the circumference of the circle is approximately 31.41 inches .
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To calculate the diameter of a circle, multiply the radius by 2. If you don't have the radius, divide the circumference of the circle by π to get the diameter. If you don't have the radius or the circumference, divide the area of the circle by π and then find that number's square root to get the radius.
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Diameter times π will give you the circumference, and circumference divided by π will give you the diameter. For example, if the perimeter of your circle is 25 feet, then the diameter would be 25 / π, or about 7.96.
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How much is 10 1/8″ in cm? 10 1/8 inches into cm: ten and one eight inches are equal to 10 1/8 x 2.54 = 25.7175 centimeters.
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Understanding the Area and Circumference of a Circle. Factoid: The area of a circle is pi (approximately 3.14) times the radius of the circle squared. The circumference is pi times the diameter.
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Using the Radius First, double the radius to get the diameter (radius x 2, or radius + radius). One you have the diameter, you can use the equation C = πd. If you want to know the circumference of a cookie that has a radius of 2 inches, for instance, start by doubling the radius to get the diameter: 2 x 2 = 4.
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Well, to get the radius from the circumference of a circle, you would divide it by 2 pi. pi and pi cancel out and we have... If we were to find diameter from a circumference, we only need to divide by pi since 2*r = diameter.
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How much is 1/10″ in cm? 1/10 inches into cm: 1/10 inches are equal to 1/10 x 2.54 = 0.254 centimeters.
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Finding the Diameter or Radius The circumference of a circle is equal to pi times the diameter. The diameter is two times the radius, so the equation for the circumference of a circle using the radius is two times pi times the radius.
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The area of a circle is given by the formula A = π r2, where A is the area and r is the radius. The circumference of a circle is C = 2 π r. If we "solve for r" in the second equation, we have r = C / (2 π ).
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Using the Radius First, double the radius to get the diameter (radius x 2, or radius + radius). One you have the diameter, you can use the equation C = πd.
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Solve the equation for the diameter of the circle, d= C/π. In this example, "d = 12 / 3.14." or "The diameter is equal to twelve divided by 3.14." Divide the circumference by pi to get the answer. In this case, the diameter would be 3.82 inches.
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Radius, Diameter and Circumference The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle. And here is the really cool thing: When we divide the circumference by the diameter we get 3.141592654...
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Divide the length of the diameter in half to find the footage of the radius. For example, if the diameter is 10, the radius is 5. Divide the circumference by 2π to find the radius.
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The radius is the distance from the center of the circle to its edge. If the radius of the circle is 4 cm, then the diameter of the circle is 4 cm x 2, or 8 cm. If you know the circumference of the circle, divide it by π to get the diameter.
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Use “D = R x 2”, in which "D" equals diameter and "R" equals radius, to solve for the diameter using the numbers you got earlier. Then use “C = pi x D”, in which "C" equals circumference, to solve for the circumference.
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To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).