1.   In a triangle, a segment that joins a vertex of the triangle and the midpoint of the opposite side is called the __________.
    A. hypotenuse B. altitude
    C. median D. perpendicular bisector
    Hint

  2.   The segment that bisects an angle of the triangle and has one endpoint at a vertex of the triangle and the other endpoint at another point on the triangle is called the _________.
    A. perpendicular bisector B. angle bisector
    C. segment bisector D. median
    Hint

  3.   In which figure is a median and an angle bisector of
and is an altitude?
    A. B.
    C. D.
    Hint

  4.   has vertices X(-1, 1), Y(3, 9), and Z(6, -2). Determine the
coordinates of point W on so that is a median of
    A. (2, 4) B. (2, -1)
    C. D. (1, 5)
    Hint

  5.   The __________ is the point of concurrency of the angle bisectors of a triangle.
    A. incenter B. circumcenter
    C. centroid D. orthocenter
    Hint



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