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Since diameter is 2 x pi x radius, 8 cm / 2 / 3.14 is about 1.3cm. Specifically, 1.2732cm.

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Q: What is the radius of a circle with a diameter of 8cm?
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What is the diameter of a circle whose radius is 4cm?

radius=4cm diameter=8cm *radius is half the diameter


If the radius of a circle is 4 cm what's the diameter?

8cm. The radius is always half the diameter.


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It depends on the ratio of what of the circle? Its circumference, diameter, area?


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Circumference of a circle: 2*p*radius or pi*diameter


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The diameter would be 8cm, because the diameter is always double the radius. That's why the formula 2'Pi'r is also known as 'Pi'd.


Diameter of a circle is 16cm what is the radius?

The diameter of a circle is the length of a straight line from a point on the edge of the circle passing through the center of the circle and onto a point on the opposite edge of the circle. The radius of a circle is the length of a straight line from the center of a circle to a point on the edge of the edge of the circle. So the radius of a circle is half its diameter, in this case 8cm.


The figure is a regular 12-sided polygonthe diameter of the circle that circumscribes it is 16cmfind the radius of the polygon?

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