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Posted by on Monday, February 14, 2011 at 2:05am.

a(-2,4) b (4,6) c (-4,-4)
find the equation for the altitude from each vertex of triangle abc.

  • Geometry altitude - , Monday, February 14, 2011 at 8:28am

    I will do one of them: from A to BC
    slope of BC = 10/8 = 5/4
    so slope of altitude = -4/5
    point on it is (-2,4)
    y-4 = (-4/5)(x+2)
    5y -20 = -4x - 8

    4x + 5y = 12 or y = (-4/5)x + 12/5

    do the others the same way

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