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IB Mathematics: Applications and Interpretation HL · 12.10: Geometry & Trigonometry · 12.10.14

Grazing goat problems I: sectors round a shed Problem set A Answers

Skills

  1. 94.2 m²

  2. 58.9 m²

  3. 738 m²

  4. 280 m²

In context

  1. 239 m²

    1. (a) A = (π/2)(x² − 12x + 182)
    2. (b) 243 m²

Stretch

  1. x = 5.35 or x = 6.65

  2. Most: x = 2 or x = 10, A = 254 m². Least: x = 6.00, A = 229 m².

jmaths.xyz · AI HL · 12.10.14 Grazing goat problems: sectors round a shed