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Grade 9 Math Lessons
Math Worksheets
Examples, solutions, videos, and lessons to help High School students
learn how to use the law of sines to solve triangles, including the ambiguous case.
The following diagram shows how to use the sine rule when given the ambiguous case. Scroll down the page for more examples and solutions for the sine rule.

The Law of Sines, part 1
An illustration of how to use the Law of Sines to solve triangles.
The Law of Sines, part 2: the ambiguous case
A couple of examples illustrating the ambiguous case.
Demo of the ambiguous case for the Law of Sines
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe.
There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics
of fraction addition and subtraction or challenge yourself with the insane level.
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