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GertheDL

A building lot in a city is shaped as a 30° -60° -90° triangle. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. b. Find the length of the hypotenuse of the triangular lot. c. Find the sine, cosine, and tangent of the 30° angle in the lot. Write your answers as decimals rounded to four decimal places.

  • 11 months ago
  • 11 months ago

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  1. RolyPoly
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    |dw:1368856954059:dw|

    • 11 months ago
  2. RolyPoly
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    Part (a) Find the length of the side of the lot opposite the 60° angle. That is to find x in the figure|dw:1368857067199:dw| You can use tangent ratio to find it. Note that 30° is a special angle.

    • 11 months ago
  3. RolyPoly
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    Part (b) Find the length of the hypotenuse of the triangular lot. You can either do it by trigonometric ratio or Pythagora's Theorem.

    • 11 months ago
  4. RolyPoly
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    Part (c) look up the table and multiply the ratio by 41.

    • 11 months ago
  5. GertheDL
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    How do I use tan for that?

    • 11 months ago
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