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Q: What part of a circle connects its center to a point on the circle?

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The radius is always at a fixed, unchanging distance from the center of a circle to all the surrounding points.

It is called the hub.

part of a circle such as between points b and c, is an

radius

A circle *encloses* an area, and the "area of a circle" is the area it encloses, πr^2. A circle is a 1-dimensional curved line; it is a set of points equidistant from a given point (the center), with that distance being the radius of the circle. This means the inside of the circle is not part of the circle (it's called a disk if you include the inside points).To find the area, multiply pi (π) by the radius squared (r^2), so you get πr^2.Yes, it does.

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radius

if you mean the point that starts at the edge of the circle and ends in the center then this is the radius (:

The radius is always at a fixed, unchanging distance from the center of a circle to all the surrounding points.

Yes it is. The radius of a circle is the length of the line from the center to any point on its edge.

there is a center point, an arc, a radius, a diameter, a chord.

You would have to know the length of the radius. The center of the circle is at one end of the radius. If you just know where some part of the radius is, and not that the part touches the circle then you cannot know where the center is without at lest a point on the circumference.

It is a chord of which the circle's diameter is the largest.

Not including its diameter it is a chord

Picture the center of a circle. The distance from it to the edge of the circle is the radius. The fixed distance from the center to the edge of any part of the circle is radial movement. So radial movement is the circular distance an object can move from a fixed point.

It is called the hub.

Corpus Callosum

i think its the diameter

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