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Any two lines segments from the circumference of a circle or sphere to its centre.

Q: What makes 2 radii?

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2 radii = one diameter

Well, the equation for finding the circumfrence of a circle is (diameter)(pi). That is diameter times pi. since the diameter of a circle is 2 radii, we can say that there is 2(pi) radii in a circle.

They are congruent circles

It is the smaller of the 2 part divided between 2 radii

the single form of radii is radius

Related questions

2 radii = one diameter

The ionic radii of metallic elements is smaller than its atomic radii, because the ion has less electrons. This gives it a smaller electron cloud and makes the atom smaller.

The question makes no sense.

Well, the equation for finding the circumfrence of a circle is (diameter)(pi). That is diameter times pi. since the diameter of a circle is 2 radii, we can say that there is 2(pi) radii in a circle.

2

The ratio of all lengths is the same. The ratio of the circumferences = ratio of the radii = 2:3

Seventeen

They are congruent circles

atomci radii measures for an atom ionic radii measures for an ion

No, 2 radii makes a diameter, because the diameter is the line which goes across the circle and exactly in the middle, and radius is the line from the circumference to the center. So r/2 = d

It is the smaller of the 2 part divided between 2 radii

The arc.