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    Chris F's Avatar
    Chris F Posts: 2, Reputation: 1
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    #1

    Nov 18, 2005, 12:51 PM
    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 ?
    cmantzioros's Avatar
    cmantzioros Posts: 2, Reputation: 1
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    #2

    Nov 18, 2005, 01:09 PM
    SOHCAHTOA

    sin x = opposite/hypotenuse

    therefore

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

    ...
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