### Home > A2C > Chapter 13 > Lesson 13.1.4 > Problem 13-73

13-73.

Solve for *x* in the figure below. Homework Help ✎

Use the Law of Cosines.

*x*^{2} = (6)^{2} + (4)^{2} − 2(6)(4)cos(130°)

9.10

13-73.

Solve for *x* in the figure below. Homework Help ✎

Use the Law of Cosines.

*x*^{2} = (6)^{2} + (4)^{2} − 2(6)(4)cos(130°)

9.10