alisonweatover06
alisonweatover06 alisonweatover06
  • 02-02-2020
  • Mathematics
contestada


In the right trange show, A=30 degrees and AC=12
How long is AB

Respuesta :

sam4040
sam4040 sam4040
  • 09-02-2020

Answer:

[tex]AB=6\sqrt{3}[/tex]

Step-by-step explanation:

[tex]Given\ \angle A=30\textdegree\\\\AC=12\\\\\cos \theta=\frac{adjacent}{hypotenuse}\\\\\cos A=\frac{AB}{AC}\\\\\cos 30=\frac{AB}{12}\\\\\frac{\sqrt{3}}{2}=\frac{AB}{12}\\\\AB=6\sqrt{3}[/tex]

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