It is the radius.
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The diameter.
The radius.
# Find the center of the circle # Draw the line of the radius from the center to the circumference # Finish
Tangent
A chordof a circle is a geometric line segment whose endpoints both lie on the circle. A secantor a secant line is the line extension of a chord. More generally, a chord is a line segment joining two points on any curve, such as but not limited to an ellipse. A chord that passes through the circle's center point is the circle's diameter.