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radius is always half the diameter, so the radius would be 2

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Q: If the diameter of a circle is 4 what is the radius?

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its 4..... the radius of a circle is half of the diameter

Radius is one-half of the diameter of a circle. Therefore, the radius of an eight-inch diameter circle is four inches. The diameter of a circle is a straight line joining a point on the circumference through the centre to the 'opposite' point on the circumference.

4 feet. The radius is half the diameter.

Eight.

The radius would be 4, because the radius is always half of the diameter.

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Radius of a circle with diameter 4? Radius is half of the diameter, so in this case it would be 2.

8 units; the diameter of a circle is twice its radius.

its 4..... the radius of a circle is half of the diameter

A radius is half of a diameter. Example Diameter:4 Radius:2

8 inches; the diameter of a circle is twice its radius.

Radius is one-half of the diameter of a circle. Therefore, the radius of an eight-inch diameter circle is four inches. The diameter of a circle is a straight line joining a point on the circumference through the centre to the 'opposite' point on the circumference.

Radius = 1/2 diameter. So, if the diameter is 8", then radius of the circle is 4".

Length of a radius is always half the diameter of a circle. This means that the circle has a radius of 2cm.

Two inches. The radius of a circle is 1/2 of the diameter.

In order to fully understand what the radius of a given circle is, you must know the diameter. The diameter is the distance across the circle through the center. The radius of a circle is half the diameter. For example, if the diameter of a circle is 8 inches, then the radius would be 4 inches.

4 inches The radius of a circle is always half of its diameter (so 8in/2 = 4 in).

the equation for the circumference of a circle is 2*radius*pi, or since the radius is half of the diameter 2*radius=diameter, we can simplify the equation to the circumference of a circle=diameter*pi