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Secant/Tangent Theorems

Secant/Tangent Theorems. Secant - Secant Intersecting on circle. This is just an inscribed angle. A. 1. B. Secant - Secant Intersecting outside circle. D. C. 2. E. F. Secant - Tangent Intersecting on circle. Notice the vertex of the angle is ON

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Secant/Tangent Theorems

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  1. Secant/Tangent Theorems

  2. Secant - Secant Intersecting on circle This is just an inscribed angle A 1 B

  3. Secant - Secant Intersecting outside circle D C 2 E F

  4. Secant - Tangent Intersecting on circle Notice the vertex of the angle is ON the circle and it acts like an Inscribed angle. B 1 A

  5. Tangent - Tangent Intersecting outside circle J Note: J and K are points of tangency. M 3 K

  6. Secant-Secant Intersecting inside circle And don’t forget… A linear pair is 180˚. Reminder: Vertical angles are congruent. Y W 2 Z X

  7. Secant-Tangent Intersecting outside circle Q P 3 R T T is a point of tangency

  8. Same as the intercepted arc Half the intercepted arc Half the sum of the intercepted arcs Half the difference of the intercepted arcs

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