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. Definition of an Inequality B. Definition of a Triangle
    C. Triangle Equality Theorem D. Triangle Inequality Theorem
    Hint

  2.   If the measures of two sides of a triangle are 3 and 1, between what two numbers must the measure of the third side fall?
    A. 1 and 7 B. 2 and 4
    C. 1 and 3 D. 2 and 5
    Hint

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

  4.   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 25 B. 10 and 35
    C. 15 and 20 D. 5 and 35
    Hint

  5.   Ed has a piece of rope with exactly 10 knots tied to make 9 equal lengths as shown. Using the rope, he wants to use the entire rope to make a triangle so that each vertex of the triangle occurs at a knot. How many different triangles can Ed make?
   
    A. 2 B. 3
    C. 5 D. 4
    Hint



Glencoe
The McGraw-Hill Companies