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Chapter 12

Chapter 12. Section 12.6 Angles formed by Chords, Secants, and Tangents. RECAP. Chord: Secant: Tangent:. A segment with endpoints on the circle. A line that touches the circle at two points. A line that touches the circle at one point. If - two secants or

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Chapter 12

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  1. Chapter 12 Section 12.6 Angles formed by Chords, Secants, and Tangents

  2. RECAP Chord: Secant: Tangent: A segment with endpoints on the circle A line that touches the circle at two points A line that touches the circle at one point

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

  4. Find : mSRU

  5. m ADC = 183° Find  B

  6. m BD = 51, m AD = 160 Find  C

  7. mR = 37, m TV = 120 Find m SU

  8. If a secant and a tangent intersect at the point of tangency, then the… m formed = ½ (measure of intercepted arc) mGHJ = ½(mGH)

  9. Find mGJK, and m GJ

  10. Homework • Pg. 697 #1-4, 8, 9, 25

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