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Abbie23 Group Title

From a hot air balloon, the angle between a radio antenna straight below and the base of the library downtown is 57°, as shown below. If the height of the balloon is 15 miles, what is the distance between the radio antenna and the library?

  • 2 years ago
  • 2 years ago

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  1. SmoothMath Group Title
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    Howdy.

    • 2 years ago
  2. SmoothMath Group Title
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    |dw:1336435993255:dw| Is this right?

    • 2 years ago
  3. SmoothMath Group Title
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    What is wrong?

    • 2 years ago
  4. Abbie23 Group Title
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    |dw:1336436127388:dw|

    • 2 years ago
  5. SmoothMath Group Title
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    Oooh. Cool. Got it.

    • 2 years ago
  6. SmoothMath Group Title
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    Alright, so the first step is to figure out which trig function is worth using. To figure this out, I like to find where the angle I know is and then label my sides opposite, adjacent, and hypotenuse.

    • 2 years ago
  7. SmoothMath Group Title
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    You know which side is which?

    • 2 years ago
  8. Abbie23 Group Title
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    The hypotenuse is the opposite side of 15 miles and the adjacent side is...have no idea?

    • 2 years ago
  9. SmoothMath Group Title
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    |dw:1336436548036:dw|

    • 2 years ago
  10. SmoothMath Group Title
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    Cool? The 15 miles side is adjacent to the angle we know. The x side is opposite from that angle. The hypotenuse is always the long side, the one opposite from the right angle.

    • 2 years ago
  11. Abbie23 Group Title
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    Well I got the hypotenuse side right :) Okay got the other sides, thanks!

    • 2 years ago
  12. DoomDude Group Title
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    1 sec...

    • 2 years ago
  13. DoomDude Group Title
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    I am not really sure, I am not good at geometry, would you like me to try to get someone else here?

    • 2 years ago
  14. DoomDude Group Title
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    sorry, but do you want me to try to get someone that know it here?

    • 2 years ago
  15. Abbie23 Group Title
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    It's okay :) You don't have to do that! Haha I'll just guess :)

    • 2 years ago
  16. DoomDude Group Title
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    no! wait, let me get someone

    • 2 years ago
  17. DoomDude Group Title
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    @amistre64 @lgbasallote @imranmeah91 @LagrangeSon678 @AccessDenied

    • 2 years ago
  18. SmoothMath Group Title
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    Mildly obnoxious, bro. lols.

    • 2 years ago
  19. DoomDude Group Title
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    it works...

    • 2 years ago
  20. SmoothMath Group Title
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    Abbie, the side you know is adjacent. The side you need to know is opposite. See that? Which trig function involves opposite and adjacent?

    • 2 years ago
  21. Abbie23 Group Title
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    Oh okay I see that. And tangent!

    • 2 years ago
  22. lgbasallote Group Title
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    uhmm im assuming no help necessary anymore?

    • 2 years ago
  23. DoomDude Group Title
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    I am pretty sure that it is... Is it abbie?

    • 2 years ago
  24. SmoothMath Group Title
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    Yes, it's tangent. Write an equation using tangent. Tan(57) = opposite/adjacent = x/15 solve for x

    • 2 years ago
  25. Abbie23 Group Title
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    Yeah, I think so too @Drake Thank you for helping me :)

    • 2 years ago
  26. Abbie23 Group Title
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    Thanks @SmoothMath :)

    • 2 years ago
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