1.   The measures of both legs of a right triangle are 4. What is the measure of the hypotenuse?
    A. B. 8
    C. D.
    Hint

  2.   Which are not the measures of the sides of a right triangle?
    A. B.
    C. D.
    Hint

  3.   The length of a diagonal of a square is 20 centimeters. Find the length of a side of a square.
    A. cm B. cm
    C. 10 cm D. cm
    Hint

  4.   Which of the following special right triangles can have a Pythagorean triple as the lengths of its sides?
    A. both a 45°-45°-90° triangle and a 30°-60°-90° triangle
    B. a 45°-45°-90° triangle
    C. a 30°-60°-90° triangle
    D. neither a 45°-45°-90° triangle nor a 30°-60°-90° triangle
    Hint

  5.   Find the value of x.
   
    A. B.
    C. D. 10
    Hint