Determine whether it is right or not. Using the Pythagorean Theorem, the video shows how to determine whether a triangle is a right triangle. Pupils practice the skill in a few of the problems in the associated worksheets on the Pythagorean Theorem.

Concepts

pythagorean theorem, right triangles, pythagorean triples, converse

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Additional Tags

math

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Instructional Ideas

• Provide more practice problems
• Remind the class not to use the image but rely on the calculations to draw a conclusion

Classroom Considerations

• Individuals should know the Pythagorean Theorem

Pros

• Labels the sides to show how the they correspond to the formula
• Writes the formula for every problem

Cons

• It's difficult to find the answer keys

Common Core

SL.9-10.2 SL.11-12.2 8.G.B.6 8.G.B.7 MP5 MP6