AyanT487370 AyanT487370
  • 03-11-2022
  • Mathematics
contestada

Please help me if you can! in the image it shows a problem I need guidance on.

Please help me if you can in the image it shows a problem I need guidance on class=

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LilliannahX777912 LilliannahX777912
  • 03-11-2022

We can use trigonometric functions to determine how far it is across the lake.

Here, use tangent of angle A:

[tex]\begin{gathered} \tan 40^o=\frac{a}{630} \\ 0.839=\frac{a}{630} \\ 0.839\times630=a \\ 528.632=a \end{gathered}[/tex]

Thus, the lake is 529 yards across.

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