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IB Mathematics: Applications and Interpretation HL · AHL 4: Vectors · AHL 4.15

The acute angle between two lines Problem set B Answers

Skills

  1. \(31.0^\circ\)

  2. \(78.5^\circ\)

  3. \(19.7^\circ\)

  4. \(60.3^\circ\)

In context

  1. \(60.7^\circ\)

  2. \(81.2^\circ\)

Stretch

  1. \(76.5^\circ\)

  2. \(k = \frac{3}{2}\)

jmaths.xyz · AI HL · AHL 4.15 The acute angle between two lines