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Warm Up(Add to HW) 1. Identify each line or segment that intersects  F . Find each measure.

chords: AE , CD secant: AE tangent: AB. Warm Up(Add to HW) 1. Identify each line or segment that intersects  F . Find each measure. 2. m  NMP 3. m  NLP. 110°. 55°. 11-5. Angle Relationships in Circles. Holt Geometry. Example 1A: Using Tangent-Secant and Tangent-Chord Angles.

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Warm Up(Add to HW) 1. Identify each line or segment that intersects  F . Find each measure.

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  1. chords:AE,CD secant: AE tangent: AB Warm Up(Add to HW) 1.Identify each line or segment that intersects F. Find each measure. 2. mNMP 3. mNLP 110° 55°

  2. 11-5 Angle Relationships in Circles Holt Geometry

  3. Example 1A: Using Tangent-Secant and Tangent-Chord Angles Find each measure. mEFH = 65°

  4. Example 1B: Using Tangent-Secant and Tangent-Chord Angles Find each measure.

  5. Check It Out! Example 1b Find each measure.

  6. Example 2: Finding Angle Measures Inside a Circle Find each measure. mAEB = 126

  7. Check It Out! Example 2b Find each angle measure. mRNM mRNM = 180° – MNQ mRNM = 180° – 158° = 22°

  8. Example 3: Finding Measures Using Tangents and Secants Find the value of x. = 40 = 63

  9. Check It Out! Example 3 Find the value of x. 50° = 83° – x x= 33°

  10. Find mLP Step 1 Find Step 2 Find Check It Out! Example 5

  11. Lesson Quiz: Part I Find each measure. 1. mFGJ 2. mHJK 41.5° 65°

  12. Lesson Quiz: Part II 3. An observer watches people riding a Ferris wheel that has 12 equally spaced cars. Find x. 30°

  13. Lesson Quiz: Part III 4. Find mCE. 12°

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