1.   Triangle KMS is equilateral. Find KM if KM = x + 6, KS = 2x – 3, and MS = 4x – 21.
    A. 4 B. 15
    C. 21 D. 9
    Hint

  2.   If is parallel to , what is
   
    A. 109 B. 71
    C. 54 D. 126
    Hint

  3.   What is the measure of
   
    A. 31 B. 120
    C. 32 D. 62
    Hint

  4.   Refer to the design shown. How many of the triangles in the design appear to be congruent to triangle A?
   
    A. 10 B. 8
    C. 12 D. 6
    Hint

  5.   Congruence of triangles is reflexive, _____________, and transitive.
    A. distributive B. commutative
    C. symmetric D. associative
    Hint

  6.   In the figure, intersects at H. Which additional fact is needed to prove by ASA?
   
    A. B.
    C. D.
    Hint

  7.   In is 10 more than 3 times a number,
is 8 less than 5 times the same number. Find
    A. 106 B. 116
    C. 37 D. 48
    Hint

  8.   is isosceles. What is the x-coordinate of B?
   
    A. 0 B.
    C. a D. b
    Hint

  9.   ABC is ______.
   
    A. isosceles and scalene B. equilateral
    C. scalene and acute D. scalene but not acute
    Hint

  10.   Which pair of triangles is congruent by the SAS Postulate?
    A. B.
    C. D.
    Hint

  11.   Which pair of triangles shows FGH QRS by the AAS Theorem?
    A.
    B.
    C.
    D.
    Hint

  12.   Refer to the figure. If and is perpendicular to both and , then FDA ________ by __________.
   
    A. ACF by ASA B. CAD by SAS
    C. ACF by SAS D. CAD by ASA
    Hint

  13.   Triangle ABC has vertices A(2, 5), B(5, 2), and C(2, -1). Classify ABC.
    A. equilateral B. acute
    C. scalene D. isosceles
    Hint

  14.   Which of the following is not often used in a coordinate proof?
    A. Distance Formula B. Angle Sum Theorem
    C. Midpoint Formula D. Quadratic Formula
    Hint



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