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

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what answer is THAT supposed to do with my question??? give me a REAL answer please! let me repeat it " WHAT WOULD THE NUMBER BE IF YOU DOUBLED THE CIRCUMFRANCE OF A CIRCLE, AND WHAT DOES IT ENLARGE BY????????? GIVE ME A REAL ANSWER PLEASE!!!!!!

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IT WILL DOUBLE

Q: What happens to the circumference of a circle if you double the diameter?

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

The diameter of a circle is the length of a straight line drawn through the center of the circle to its edges.Or, measure the circumference of the circle and divide by pi (3.14159).Or you can multiply the radius times twoTo get diameter you have to find the radius and then double it to get the diameter

The diameter of a circle is double the radius. So a circle with a radius of 7 cm has a diameter of 14 cm.

the diameter of a circle is double the radius so if the radius is 12 cm then the diameter is 24 cm

The volume is Base x height; the Base area is the same as the formula for a circle - which is proportional to the square of the radius. For example, if you double the radius (or the diameter, or the circumference) of a circle, its area will quadruple.

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

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

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.

Since the equation for circumference is pi*d then if you double the diameter the circumference will be doubled.

Nothing happens. A person sitting next to you won't know that you did anything to your circle. But you'll have a bigger circle. The radius will be double the originasl radius. The circumference will be double the original circumference. The area will be four times the original area.

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

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

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.

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

The circumference also doubles.

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.