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Home > INT2 > Chapter 12 > Lesson 12.2.3 > Problem 12-116

12-116.
  1. ABC has a right angle at B. If mA = 42º and BC = 7 mm, what is the approximate length of AC? Homework Help ✎

  2. A. 9.4 mm

    B. 10.5 mm

    C. 7.8 mm

    D. 4.7 mm

What trig ratio can you use to solve for AC?

(b) 10.5 mm