### Home > PC3 > Chapter 8 > Lesson 8.1.3 > Problem 8-51

8-51.

Calculate the area of the triangle below.

Use the Law of Cosines to determine the measure of one of the angles.

Use the formula below to calculate the area.

8-51.

Calculate the area of the triangle below.

Use the Law of Cosines to determine the measure of one of the angles.

Use the formula below to calculate the area.