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Instructional Video

Area of Inscribed Equilateral Triangle (Some Basic Trig Used)

Curated and Reviewed by Lesson Planet

Delving into basic trigonometry, this resource shows how to find the area of an inscribed equilateral triangle. Using a high-level problem, HeronÕs theorem is used to find the area of a figure. Before SAT testing, use this as a review.

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Concepts
geometric proofs, two-column proofs
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Additional Tags
equilateral triangle inscribed in a circle, area of an inscribed triangle, geometric proof, math
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Classroom Considerations
  • This video is hosted on YouTube