Because it leads to the limit concept which in turn leads to concept of derivative...
Although normally it is the line that is considered to be tangent to an arc, an arc can be tangent to infinitely many lines and so the answer to the question is: in infinitely many ways.
parallel lines never touch, never get any closer or any further apart. tangent lines touch at one point
You can have a tangent line for every point on a circle, so the answer is theoretically infinite.
A secant line touches a circle at two points. On the other hand a tangent line meets a circle at one point.
Tangent to the curve.
no
Although normally it is the line that is considered to be tangent to an arc, an arc can be tangent to infinitely many lines and so the answer to the question is: in infinitely many ways.
parallel lines never touch, never get any closer or any further apart. tangent lines touch at one point
Two lines tangent to a circle at the endpoints of its diameter are parallel. See related link for proof.
You can have a tangent line for every point on a circle, so the answer is theoretically infinite.
A secant line touches a circle at two points. On the other hand a tangent line meets a circle at one point.
Tangent to the curve.
Tangent.
Tangent.
Infinte
Tangent is used in calculus to compute the slope of a curve. Because curves do not have uniform slopes, unlike lines, their slopes change. A tangent is the slope of a curve at a specific point.
A circle does not have a set of parallel lines in the traditional sense, as parallel lines are defined as lines that never intersect and remain equidistant from each other. However, you can draw lines that are tangent to a circle at various points, and these tangent lines can be parallel if they are at the same distance from the center of the circle. But in the context of the circle itself, it does not contain parallel lines.