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Posted by on Sunday, January 13, 2013 at 4:34pm.

Find the slope of altitude to line AT the coordinates are A(-7,0) and T (9,-7)

  • Math high school - , Sunday, January 13, 2013 at 4:48pm

    find the slope of AT
    then the altitude is at right angles to it, so its slope is the negative reciprocal of the slope of AT

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