1.   Which triangle is similar to
   
    A.
    B.
    C.
    D.
    Hint

  2.   A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building?
    A. 0.5 ft B. 10 ft
    C. 50 ft D. 20 ft
    Hint

  3.   Find sin X.
   
    A. 0.6 B. 8
    C. 0.75 D. 0.8
    Hint

  4.   Which of the following side measures would form a right triangle?
    A. 10, 24, 26 B. 18, 20, 27
    C. 8, 11, 19 D. 7, 9, 12
    Hint

  5.   Which side measures do not form a right triangle?
    A. 5, 12, 13 B. 10, 12, 15
    C. 9, 40, 41 D. 3, 4, 5
    Hint

  6.   Simplify
    A. 72 B.
    C. D.
    Hint

  7.   Simplify .
    A. B. The expression is in simplest form.
    C. D.
    Hint

  8.   Simplify .
    A. B.
    C. D.
    Hint

  9.   What is the area of a square whose sides measure meters?
    A. B.
    C. D.
    Hint

  10.   Solve.
    A. {1, –1} B. 1
    C. –1 D. no solution
    Hint

  11.   Suppose the formula represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If its wings are 150 feet and k = 0.1669, what range of values are possible for weight?
    A. less than 134,811 pounds B. greater than 3755 pounds
    C. greater than 134,811 pounds D. less than 3755 pounds
    Hint

  12.   Tamotsu and Ryan each go to the same school. Tamotsu lives 5 miles north and 3 miles west of the school. Ryan lives 7 miles south and 4 miles east of the school. How far apart do they live?
    A. 2.24 miles B. 12.04 miles
    C. 13.9 miles D. 7.28 miles
    Hint

  13.   Greta and her grandmother planned to attend a downtown play. Greta lives 10 miles south and 4 miles west of downtown, while her grandmother lives 2 miles south and 2 miles east of downtown. If Greta picks up her grandmother on the way (rather than meet her at the play), how many miles does that add to her trip?
    A. B. 2
    C. D.
    Hint

  14.   Using the figure, which expression is equal to cos 38°?
   
    A. sin 38° B. tan 38°
    C. tan 52° D. sin 52°
    Hint



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