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EzraThe radius of a circle is the distance from the center of the circle to any point on its circumference. To find the radius of a circle in millimeters, you would need to measure the distance in millimeters from the center to the edge of the circle. This measurement is crucial for calculating the area and circumference of the circle using mathematical formulas involving the radius.
It varies on how large the diameter and radius is.
True, but with the radius you know to double it and you have the diameter.
If you muliply Pi (3.14....) times the diameter, you get the circumference.
So radius = circumference divided by Pi, with that answer (which is "diameter")then divided by two.
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If the diameter of a circle is 14mm what is the radius?
The radius would be 7 millimeters.
The circle has a radius of 22 millimeters what is the diameter of a circle in centimeters?
Well, isn't that just a happy little question! To find the diameter of the circle, you simply need to multiply the radius by 2. Since the radius is 22 millimeters, the diameter would be 44 millimeters. And if you want to convert that to centimeters, you can divide by 10 because there are 10 millimeters in a centimeter. So, the diameter of the circle would be 4.4 centimeters. Happy calculating!
What is the area of a circle if the radius is 7 mm?
The formula for an area of a circle is the greek symbol "pi" times the radius squared. A = π * r2 r = radius π = 3.14 Now, your radius is given to you in millimeters. Generally answers are given in meters. 7 mm (millimeters) is equal to .007 m (meters).
What is the area of a circle with the radius of 9 millimeters?
Using 3.14 as Pi the area of circle is: 254.34
What is the area of a circle when the diameter is 7 mm?
Well, honey, if the diameter of a circle is 7 mm, then the radius is half of that, which is 3.5 mm. The formula for the area of a circle is πr^2, so plug in 3.5 for the radius and you get an area of approximately 38.48 square millimeters. So there you have it, darling!
