Ratios, Proportions, Percentages, FractionsACT math questions

    2017 December(A10) Math Question 49

    Ratios, Proportions, Percentages, Fractions

    - Advanced sin, cos, tan functions

    49. The triangle shown below has side lengths 37, 38, and 39 inches. Which of the following expressions gives the measure of the largest angle of the triangle? (Note: For every triangle with sides of length a, b, and c that are opposite LA, LB, and LC, respectively, c2 = a2 + b2 — 2ab cos C.)
    See all questions