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Unit Plan

45 45 90 and 30 60 90 Triangles

Curated by ACT

The formulas for 45-45-90 and 30-60-90 triangles and the use of the Pythagorean theorem to prove the formulas.

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CCSS: Adaptable
Concepts
right triangles, special right triangles
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Additional Tags
30-60-90 triangle, 45-45-90 triangle, triangle formulas
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information
Common Core
HSG-SRT.C.8