1.   The _______________ states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side.
    A. Triangle Equality Theorem B. Definition of a Triangle
    C. Triangle Inequality Theorem D. Definition of an Inequality
    Hint

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

  3.   Marty has a piece of rope with exactly 7 knots tied at equal intervals as shown. Using the rope, he wants to make triangles so that each vertex of the triangle occurs at a knot. How many different triangles can Marty make?
   
    A. 4 B. 1
    C. 3 D. 2
    Hint

  4.   Which of the following could not be a triangle?
    A. 15, 18, 8 B. 9, 9, 9
    C. 7, 28, 22 D. 7, 11, 3
    Hint

  5.   If 15 and 20 are the lengths of two sides of a triangle, between what two numbers must the measure of the third side fall?
    A. 10 and 35 B. 10 and 25
    C. 5 and 35 D. 15 and 20
    Hint