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2 cards from this section. Quick, good the night before a test.
What is the definition of a circle?
Think about the distance from the center.
How many points does a tangent intersect on a circle?
Recall the definition of a tangent.
What does a tangent do?
Think about the definition of a tangent.
True or False: A line can be both a secant and a tangent at the same time.
Recall their definitions.
Prove using geometric principles that there can only be one tangent to a circle from a single point on the circle.
Use basic definitions of circle and tangent.
Given a secant line cuts a circle at points A and B, create a scenario where line PQ becomes a tangent.
Think about adjusting positions and visualizing.
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