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Q: How does the circumference of a circle change if you double its diameter?

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When you double the diameter, the circumference is also doubled.

If you double the circumference. the diameter like wise would double.

multiply 3.14 times the diameter. if u have a radius, double it.

The circumference = pi x r2, and the diameter = 2r. So if you start with the circumference, you divide that number by pi (3.1416), then take the square root. What's left is the value of the circle's radius; double it to get the diameter.

circumference= pi(3.14) by the diameter. if your given the radius, double the radius and times by pi.

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When you double the diameter, the circumference is also doubled.

As circumference = π x diameter and π is constant (≈ 3.14159), doubling the diameter will double the circumference.

If you double the circumference. the diameter like wise would double.

Double the radius.

The circumference of any circle is (pi) x (diameter),and of course, the diameter is double the radius.

Easy. First, double the radius to get the diameter. Next, multiply the diameter by pi (about 3.1416). The result is the circumference of the circle.

I would think it would double also. Say Circle A has a diameter of 1 inch and Circle B has a diameter of 2 inches. To get the circumference, you multiply the diameter by pi (3.14). So 1 x 3.14 = 3.14 so that is the circumference of Circle A. To get the circumference of Circle B you need to multiply 2 x 3.14 = 6.28. And 6.28 is twice 3.14 so I would think the circumference doubles.

multiply 3.14 times the diameter. if u have a radius, double it.

The circumference = pi x r2, and the diameter = 2r. So if you start with the circumference, you divide that number by pi (3.1416), then take the square root. What's left is the value of the circle's radius; double it to get the diameter.

Easy. First, double the radius to get the diameter. Next, multiply the diameter by Pi (about 3.1416) to determine the circumference.

It'll more than likely double the circumference, too. BOOM.

circumference= pi(3.14) by the diameter. if your given the radius, double the radius and times by pi.

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