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

The acute angle between two lines Problem set A Answers

Skills

  1. \(63.6^\circ\)

  2. \(54.0^\circ\)

  3. \(47.7^\circ\)

  4. \(54.2^\circ\)

In context

  1. \(85.3^\circ\)

  2. \(59.5^\circ\)

Stretch

  1. \(25.2^\circ\)

  2. \(k = -2\)

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