1.   What is the geometric mean between and 12?
    A. B.
    C. D.
    Hint

  2.   Find the value of x.
   
    A. B. 12
    C. D.
    Hint

  3.   The length of one side of an equilateral triangle is 4 centimeters. Find the length of an altitude of the triangle.
    A. cm B. 2 cm
    C. cm D. cm
    Hint

  4.   Given XY = 12 and = 40°, find YZ to the nearest tenth.
   
    A. 7.7 B. 10.1
    C. 18.7 D. 9.2
    Hint

  5.   The angle of depression from the top of one building to the top of a neighboring building is 12°. If the buildings are 50 feet apart, what is the difference between the heights of the buildings? Round your answer to the nearest tenth of a foot.
    A. 235.2 ft B. 10.4 ft
    C. 10.6 ft D. 48.9 ft
    Hint

  6.   Katie measures the angle of elevation from the ground to the top of an 18-foot-tall tree as 27°. To the nearest tenth of a foot, how far is she from the tree?
    A. 35.3 ft B. 9.2 ft
    C. 39.6 ft D. 20.2 ft
    Hint

  7.   In and . Find to the nearest tenth.
    A. 54.0 B. 62.5
    C. 134.5 D. 45.5
    Hint

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

  9.   In the triangle, tan C = _____.
   
    A. B.
    C. D.
    Hint

  10.   In ABC, mA = 45, a = 9, and c = 11. Find mC to the nearest tenth.
    A. 30.2 B. 35.3
    C. 59.8 D. 54.7
    Hint

  11.   In WXY, w = 38, x = 49, and y = 22. Find mY to the nearest tenth.
    A. 48.1 B. 25.5
    C. 154.5 D. 106.4
    Hint

  12.   In APS, a = 14.3, p = 19.2, and mS = 72.4. Find mP to the nearest tenth.
    A. 25 B. 72.6
    C. 65 D. 45.1
    Hint

  13.   Find n.
   
    A. 11 B. 15
    C. D. 3
    Hint

  14.   Find a.
   
    A. 4 B. 4
    C. 2 D. 4
    Hint



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