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# What is the diameter of a circle if its radius is 6cm?

Updated: 4/28/2022

Wiki User

13y ago

12 cm.

Wiki User

13y ago

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Q: What is the diameter of a circle if its radius is 6cm?
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### The circle has a radius of 30 millimeters. What is the diameter of a circle in centimeters?

The radius of the circle is half the diameter of the circle. 30mm radius would mean 60mm diameter or 6cm.

### What is the radius of a circle with a diameter of 6cm?

6/2 = a radius of 3 cm

12 cm

6cm

### What is the radius of a circle that has a diameter of 12 cm?

Since the diameter is always twice the length of the radius, the length of the radius is 6cm.

### A example sentence for the word Diameter?

The diameter of circle A is 12cm so its radius must be 6cm.

### What is the circumference for 6cm?

The circumference of a circle = 2*pi*radius or diameter*pi

### What is the diameter of a circle if the radius is 6 cm?

12 cm A diameter is twice as long as the radius of a circle. D = 2r D = 2(6cm) = 12cm

### A CD has a radius of 6 cm Which is its diameter?

The radius of a circle is the distance from the centre to the edge. The diameter is the distance right across the circle through the centre. So the diameter of a circle is always twice its radius. So if the radius of a circular CD is 6cm, the diameter is twice this - 12cm.

### What is the circumference of a circle with an diameter of 6cm?

The circumference of a circle with a diameter of 6cm is about 18.85cm

### What is radius of 6cm circle?

The answer depends on what the "6cm" refers to.

### Circumference of a circle if diameter is 6cm?

Circumference of a circle is 2&pi;r (two x Pi x the radius of the circle)Pi is usually taken as 3.14 for simple calculations - see here http://en.wikipedia.org/wiki/Pi for a longer determination of Pi.The radius is half the diameter.Thus, a circle with a diameter of 6cm has a circumference of 18.84cm