About this lesson
About Laws of Sines & Cosines
Laws of Sines & Cosines is an interactive Grade 11 mathematics lesson on Scholi. Solve any triangle with the law of sines, the law of cosines, and Heron's formula for area.
What this lesson covers
- Law of Sines
- Law of Cosines
- Heron's Formula
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Common questions
What does Laws of Sines & Cosines cover in Grade 11?
Laws of Sines & Cosines covers Law of Sines, Law of Cosines and Heron's Formula. It is an interactive Grade 11 mathematics lesson: you explore each idea with a visualizer, check the rules on a cheat sheet, and answer practice questions that are marked as you go.
How do you practise Laws of Sines & Cosines in Grade 11?
Laws of Sines & Cosines has 75 practice questions across 5 topics, each with easy, medium and hard levels. You answer in the browser and every answer is marked at once, with hints when you are stuck, so you always know how you are doing.