Euclidean Geometry Part 3 – Tangents Gr11

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Miss Pythagoras explains the three tangent theorems.  She explains the formal proof of the tan-chord theorem with easy examples to start with.  She then moves on to riders, typical exam-type questions.  She gives you a very valuable method or approach that you can follow in the exam.  As usual, she explains all the riders step-by-step and uses easy to follow methods.  The following theorems are being dealt with in this course:

  • The tangent is perpendicular to the radius.
  • Two tangents drawn from the same point outside the circle is equal in length.
  • The angle between the tangent and the chord is equal to the angle in the opposite segment.

This course is valid for 60 days from date of purchase.

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