Instructional Video

Intro to 30-60-90 Triangles, Right Triangles and Trigonometry, Geometry

Curated and Reviewed by Lesson Planet

As the fourth part of a series on the Pythagorean Theorem, Sal continues an exploration of the ways to calculate the length of sides of a right triangle using algebra. He also used this theorem to solve problems involving a right triangle with 30- and 60-degree angles.

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Resource Details
Grade
9th - 10th
Subjects
Math
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Media Length
9:40
Audiences
For Teacher Use
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Duration
10 mins
Instructional Strategies
Flipped Classroom
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Accessibility
Closed Captions
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Year
2007
Usage Permissions
Creative Commons
BY-NC-SA: 3.0
cc