lippisammarco30 lippisammarco30
  • 08-06-2022
  • Mathematics
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Please help! check attachment. This is grade 11 trigonometry

Please help check attachment This is grade 11 trigonometry class=

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loneguy
loneguy loneguy
  • 08-06-2022

[tex]~~~~~~~\tan \theta = \dfrac{\text{Perpendicular}}{\text{Base}}\\\\\\\implies \tan B = \dfrac{AC}{BC}\\\\\\\implies \tan 40^{\circ} = \dfrac{10}{a}\\\\\\\implies a = \dfrac{10}{\tan 40^{\circ}}\\\\\\\implies a= 11.9~ m[/tex]

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