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. perpendicular bisector
    C. median D. altitude
    Hint

  2.   In is the _____.
   
    A. altitude B. perpendicular bisector
    C. median D. all of these
    Hint

  3.   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. angle bisector B. segment bisector
    C. median D. perpendicular bisector
    Hint

  4.   Is an altitude of Explain.
   
    A. No; because is
outside
    B. Yes; because is a
perpendicular bisector
of
    C. Yes; because has one
endpoint at vertex and
is perpendicular to
    D. No; because is not a
median of
    Hint

  5.   In which picture is an angle bisector?
    A. B.
    C. D.
    Hint



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