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# Law of Sines

## Proportion based on ratios of sides and sines of the opposite angles for non-right triangles.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Read

## Law of Sines

by CK-12 //at grade

Learn different cases of how to use the Law of Sines

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• Read

## Law of Sines with AAS and ASA

by CK-12 //at grade

This lesson introduces the Law of Sines for two cases.

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• Read

## Law of Sines

by CK-12 //at grade

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• PLIX

## Stellar Parallax

by CK-12 //at grade

Law of Sines Interactive

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• Video

## The Law of Sines: The Ambiguous Case

by CK-12 //at grade

Solves a triangle given the lengths of two of its sides and the measure of one of its angles by using the Law of Sines.

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• Practice
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## Law of Sines Practice

by CK-12 //at grade
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• Pre Read

## Law of Sines with AAS and ASA Quickwrite (PreRead)

by CK-12 //at grade

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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• Post Read

## Law of Sines with AAS and ASA Quickwrite (PostRead)

by CK-12 //at grade

To organize ideas, increase comprehension, synthesize learning, demonstrate understanding of key concepts, and reinforce vocabulary using a Quickwrite.

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