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    pattycake59's Avatar
    pattycake59 Posts: 1, Reputation: 1
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    #1

    Mar 10, 2009, 05:07 PM
    Math homework
    Find the altitude of an isosceles triangle with base 10 and congruent sides of length 9.
    Alty's Avatar
    Alty Posts: 28,317, Reputation: 5972
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    #2

    Mar 10, 2009, 05:11 PM

    Patty, please read the attached link.

    Ask Me Help Desk - Announcements in Forum : Homework Help

    We will not do your homework for you, you have to put in the effort. We can help point out where you're going wrong, so post the work you've done so far and we'll go from there.

    Thanks.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #3

    Mar 10, 2009, 06:19 PM

    What does isosceles mean?
    What does congruent mean?
    Draw the triangle?
    Draw a line for the height.
    Find the eqn for the height from the picture.
    basilrazi's Avatar
    basilrazi Posts: 27, Reputation: 2
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    #4

    Mar 11, 2009, 02:04 AM

    hint: use pythagoras theorem

    c^2 = a^2 + b^2

    where c is the height
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