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Math Help - Need help on Right Triangles

  1. #1
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    Need help on Right Triangles

    Hi. Tomorrow on going to get tested on right triangles. I have a problem that I cannot solve.
    Can Anyone show me how do you it and give me some examples? Sorry if I'm posting this on a wrong forum.
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  2. #2
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    Re: Need help on Right Triangles

    Your hyperlink is broken.
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  3. #3
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    Re: Need help on Right Triangles

    21. Use cosine:

    \cos (54^{\circ}) = \frac{y}{28} \Rightarrow y = 28 \cos (54^{\circ}) \approx 16.46 (meters)
    Thanks from aranoob
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    Re: Need help on Right Triangles

    Thanks. How do I close the thread now?
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