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# Pythagorean Theorem for Solving Right Triangles

## Using trigonometric functions or the pythagorean theorem based on given information.

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.

## Pythagorean Theorem for Solving Right Triangles

Finding unknown sides in a triangle using other sides and angles

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## Application Problems

This lesson applies the trigonometric ratios and their inverses to real-life situations.

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• Video

## Example: Determine Trig Function Value Given a Right Triangle

Shows an example of determining the values of the 6 trigonometric functions for a given right triangle.

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• Practice
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## Pythagorean Theorem for Solving Right Triangles Practice

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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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