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Chapter 12

Chapter 12. 12.6 Day 2. 2 secants. If - ____________________ or - ____________________ or - ____________________ Intersect in the ____________ of the circle then the measure of the angle formed is equal to ½ (____________ of intercepted arcs). 1 secant and 1 tangent.

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Chapter 12

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  1. Chapter 12 12.6 Day 2

  2. 2 secants If - ____________________ or - ____________________ or - ____________________ Intersect in the ____________ of the circle then the measure of the angle formed is equal to ½ (____________ of intercepted arcs) 1 secant and 1 tangent 2 tangents exterior difference

  3. secant tangent If a __________ and a _________ intersect at the point of tangency, then the… m formed = ½ ( ) Measure o the intercepted arc

  4. If 2 secants intersect in the interior of the circle then, The  formed = ½ (sum of intercepted arcs) Why is it only two secant? What about tangents?????

  5. mCED = ½ (mAB + mCD) What angle is congruent to CED ?

  6. Example Find mAEB, CED, BED, and  AEC

  7. Given m BCD = 62 Find mBAD and mBD

  8. Example

  9. GIVEN: mPX = 81, mXZ = 30, mZY = 51, mYQ = 41 FIND: mPLX, mPLQ, mQRS, mPSR L

  10. Homework • WKS

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