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

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

  3.   The _________ segment from a point to a line or plane is the shortest segment from the point to the line or plane.
    A. parallel B. consecutive
    C. integral D. perpendicular
    Hint

  4.   Is it possible to draw a triangle with sides measuring 13, 21, and 39? Explain
    A. Yes; 13 + 21 is less than 39.
    B. No; 13 is less than 21 + 39.
    C. No; 39 is greater than 13 + 21.
    D. Yes; the sides of the triangle are not all the same lengths.
    Hint

  5.   Refer to the figure. Which statement is never true?
   
    A. If FG = 4, EGDE = 6, then EF < 18.
    B. If is obtuse, then EG > EF.
    C. If EG = 6, ED = 8, and then FG = DF.
    D. If DF = 20, FG = 13, and EG = 15, then EF = 11.
    Hint

  6.   Write an inequality to describe the possible values of x.
   
    A. x < 20 B. x < 17
    C. x > 20 D. x > 17
    Hint

  7.   Choose the possible measure for 1 in the figure shown.
   
    A. B. 180°
    C. 11° D. 110°
    Hint

  8.   In the figure, , , , and Write an inequality for the possible values of x.
   
    A. x > B. x < -2
    C. x > D. x >
    Hint

  9.   State the assumption that could be used to start an indirect proof of the statement Points A, B, C, and O are coplanar.
    A. Points A, B, C, and O are collinear. B. Points A, B, C, and O are not coplanar.
    C. Points A, B, C, and O are coplanar. D. Points A, B, C, and O form a quadrilateral.
    Hint

  10.   Which assumption would you make to start an indirect proof of the following statement? The majority of students surveyed preferred chocolate ice cream to vanilla ice cream.
    A. The number of students surveyed that preferred chocolate ice cream to vanilla ice cream was greater than 50%.
    B. The number of students surveyed that preferred vanilla ice cream to chocolate ice cream was greater than 25%.
    C. The number of students surveyed that preferred vanilla ice cream to chocolate ice cream was greater than 50%.
    D. The number of students surveyed that preferred chocolate ice cream to vanilla ice cream was greater than 25%.
    Hint



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