Tangent and Secant Segments of a circle
Construct a radius on the circle and then construct a tangent to the circle that intersects the radius.
What is a tangent line?
A line, segment, or ray that intersects the circle at exactly one point.
What is the point called where the tangent line intersects the circle?
point of tangency
When a radius and a tangent line intersect at the point of tangency, what is created?
right angle
Construct two tangent lines that intersect at an exterior point.
What conclusion can be made if two tangent lines intersect at the same exterior point.
Their tangent segments are congruent.
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Información: Tangent and Secant Segments of a circle