Table of contents
- 0. Review of College Algebra(0)
- 1. Measuring Angles(0)
- 2. Trigonometric Functions on Right Triangles(0)
- 3. Unit Circle(0)
- 4. Graphing Trigonometric Functions(0)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(0)
- 6. Trigonometric Identities and More Equations(0)
- 7. Non-Right Triangles(0)
- 8. Vectors(0)
- 9. Polar Equations(0)
- 10. Parametric Equations(0)
- 11. Graphing Complex Numbers(0)
7. Non-Right Triangles
Law of Cosines
7. Non-Right Triangles
Law of Cosines: Study with Video Lessons, Practice Problems & Examples
Back to all problems
6PRACTICE PROBLEM
Using the law of cosines, calculate the measure of z given the following measurements for the oblique triangle XYZ. Round the answer to two decimal places.
Z = 87°, x = 11 ft, y = 17 ft
Using the law of cosines, calculate the measure of z given the following measurements for the oblique triangle XYZ. Round the answer to two decimal places.
Z = 87°, x = 11 ft, y = 17 ft