1.   Does the number triple 5, 6, and 8 represent the lengths of sides of a right triangle? Explain.
    A. No, because 52 + 62 82.
    B. No, because 8 + 6 < 5.
    C. Yes, because 5 + 6 > 8.
    D. Yes, because 52 + 62 = 82.
    Hint

  2.   Which equation represents the Pythagorean Theorem?
   
    A. (a + b)2 = c2
    B. a2 = b2 + c2
    C. c2 = a2 + b2
    D. a2 + c2 = b2
    Hint

  3.   Find the length of the hypotenuse in the triangle below. Round to the nearest tenth.
   
    A. 7.9 cm B. 15 cm
    C. 21 cm D. 17.3 cm
    Hint

  4.   Find the distance between (5, 3) and (2, 7).
    A. 5 units B. 7 units
    C. ? 10.34 units D. ? 9.33 units
    Hint

  5.   Find the distance between (9, –2) and (1, 13).
    A. 4.80 units
    B. 14.87 units
    C. 17 units
    D. 12.69 units
    Hint



Glencoe
The McGraw-Hill Companies