Tangents to a circle

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In the applet below, 2 tangent rays are drawn to a circle from a point outside that circle. Interact with the applet below for a few minutes, then answer the questions that follow.

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Multiplication of two complex numbers
RachelCavalier-98gh76yz
Work of Art
Example 3
tangent chord theorem

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對稱
Pythagoras or Pythagorean Theorem
Sequences and Series
幾何
導數

Tangents to a circle

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