Lesson 7.3 - Discovering Properties of Tangents
Mr.D's Geometry Class
     
Investigation 1
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1) What happens as you move point C closer to point B?

2) At what point does the line become a tangent to Circle A?

3) What would you conjecture is the relationship between a radius and tangent that intersect in a circle?

     
Investigation 2
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4) What would you conjecture is the relationship between tangent segments coming from the same point outside a circle?