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Mathigon: Geometry: Triangles and Trigonometry: Properties of Triangles

Curated by ACT

This lesson focuses on the properties of triangles, a closed shape that has three sides, three vertices, and and three internal angles. There are different types of triangles such as a right triangle, obtuse, and acute based on the internal angles.

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CCSS: Adaptable
Concepts
area, centroid
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Additional Tags
geometry, mathigon.org, mathigon: geometry: triangles and trigonometry: properties of triangles, properties of triangles, triangles and trigonometry, acute triangle, median, midpoint, obtuse triangle, right triangle, three sides, vertices, and internal angles, parts of triangles
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice