A line segment on the interior of a circle. A chord has actually both endpoints on the circle. A diameter is a form of chord
A line segment between 2 points on the circle or spright here which passes with the center. The word diameter is likewise also refers to the size of this line segment.

You are watching: A line that touches a curve at a point without crossing over

A line which passes through at leastern 2 points of a curve. Note: If the 2 points are close together, the secant line is nearly the very same as a tangent line.
A line that touches a curve at a point without crossing over. Formally, it is a line which intersects a differentiable curve at a allude where the slope of the curve equals the slope of the line.Note: A line tangent to a circle is perpendicular to the radius to the suggest of tangency.
A line which touches a circle or ellipse at just one point. Below, the blue line is a tangent to the circle c. Keep in mind the radius to the allude of tangency is constantly perpendicular to the tangent line.

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A line segment in between the facility and also a allude on the circle or spright here. Words radius also refers to the length of this segment.
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