Copyright © 2011 Pearson, Inc. 5.5 Law of Sines Goal: Solve triangles that have no solution, one solution, or two solutions.

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Presentation transcript:

Copyright © 2011 Pearson, Inc. 5.5 Law of Sines Goal: Solve triangles that have no solution, one solution, or two solutions.

Copyright © 2011 Pearson, Inc. Slide What you’ll learn about Deriving the Law of Sines Solving Triangles (AAS, ASA) The Ambiguous Case (SSA) Applications … and why The Law of Sines is a powerful extension of the triangle congruence theorems of Euclidean geometry.

Copyright © 2011 Pearson, Inc. Slide Law of Sines

Copyright © 2011 Pearson, Inc. When should you use the… Law of Cosines? Law of Sines?

Copyright © 2011 Pearson, Inc. Find AB.

Copyright © 2011 Pearson, Inc. Find BC.

Copyright © 2011 Pearson, Inc. Find all possible values of angle C to the nearest degree.

Copyright © 2011 Pearson, Inc. How did you draw your triangle?

Copyright © 2011 Pearson, Inc.

Find the height of the tree to the nearest foot. Slide

Copyright © 2011 Pearson, Inc. Locating a Fire Slide

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