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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 B Answers

Skills

  1. 143 m²

  2. 84.8 m²

  3. 430 m²

  4. 219 m²

In context

  1. 346 m²

    1. (a) A = (π/2)(x² − 14x + 218)
    2. (b) 272 m²

Stretch

  1. x = 3.96 or x = 10.0

  2. Most: x = 2 or x = 12, A = 305 m². Least: x = 7.00, A = 265 m².

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