Table of contents
- 0. Review of College Algebra(284)
- 1. Measuring Angles(327)
- 2. Trigonometric Functions on Right Triangles(205)
- 3. Unit Circle(231)
- 4. Graphing Trigonometric Functions(191)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(213)
- 6. Trigonometric Identities and More Equations(334)
- 7. Non-Right Triangles(117)
- 8. Vectors(160)
- 9. Polar Equations(82)
- 10. Parametric Equations(9)
- 11. Graphing Complex Numbers(91)
7. Non-Right Triangles
Law of Cosines
7. Non-Right Triangles
Law of Cosines: Study with Video Lessons, Practice Problems & Examples
19PRACTICE PROBLEM
For the given triangle, determine the area of the triangle using Heron's formula and report the area rounded to the nearest square unit.
p = 12 m, q = 12 m, r = 2 m
For the given triangle, determine the area of the triangle using Heron's formula and report the area rounded to the nearest square unit.
p = 12 m, q = 12 m, r = 2 m