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1. A chord is a ray joining 2 points situated on a given curve.
 
2. A tangent is a ray that passes through only one point situated on the curve.

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The main difference between tangent and chord is that the tangent touches the curve at only one point whereas the chord touches the curve at two points.

Chord:

  • A chord is the line segment joining two points on a curve.
  • The term is often used to describe a line segment whose ends lie on a circle.

Tangent:

  • The tangent line (or simply tangent) to a plane curve at a given point is the straight line that "just touches" the curve.
  • The tangent makes an angle of 90 degree with the radius of circle at the point of contact.

From above definitions of Chord and Tangent , we say that chord touches the curve at two points where as Tangent touches the curve at only one point .

For more details on chord and tangent follow the link:

https://brainly.com/question/2447567