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IB Mathematics: Applications and Interpretation HL · 12.10: Geometry & Trigonometry · 12.10.15

Grazing goat problems: sector and triangle area Problem set B Answers

Skills

    1. (a) Right angle: 7.07 m². Others: 1.28 m² and 5.79 m².
    2. (b) The animal at the right angle.

  2. 40.9%

  3. 19.9 m²

In context

    1. (a) 100%
    2. (b) 112 m²

  2. 45%

  3. θ = 0.556 radians

Stretch

    1. (a) Shown
    2. (b) a = 6.73 m

  2. a = 6.56 m

jmaths.xyz · AI HL · 12.10.15 Grazing goat problems: sector and triangle area