If a line touches a circle at exactly one point, it is called a .
A
tangent
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B
secant
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C
chord
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D
diameter
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Solution
The correct option is A tangent When a circle and a line lie in a plane, they can have either 0, 1 or 2 points of intersection, as shown in the given figure.The line which touches the circle at only one point is called a tangent of the circle.