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  • Nov 18, 2005, 12:51 PM
    Chris F
    Pre-Cal trig
    A 30 ft ladder leans against the side of a house. At the point where the ladder and house meet, it makes a 72 degrees. What is the height of the house ?
  • Nov 18, 2005, 01:09 PM
    cmantzioros
    SOHCAHTOA

    sin x = opposite/hypotenuse

    therefore

    sin 72 = height of the house/length of the ladder
    sin 72 = height/30

    ...

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