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G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
G.2 teacher types of triangle and angles of triangles
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G.2 teacher types of triangle and angles of triangles

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Transcript

  • 1. Types of Triangle and Angles of Triangles Classification and Properties
  • 2. Types of Triangles
    • Classification by Angles:
    • Right Triangle- the largest angle in the triangle is EXACTLY 90 
    • Acute Triangle- the largest angle in the triangle is less than 90 
    • Obtuse triangle-
    • the largest angle in the triangle
    • is greater than 90 
    • Equiangular Triangle-
    • All three angles are congruent
  • 3. Types of Triangles
    • Classification by Sides:
    • Scalene Triangle : No sides have equal measure
    • Isosceles Triangle :
    • At least two sides have equal
    • measure
    • Equilateral Triangle :
    • All three sides have equal
    • measure
  • 4. Theorem Example: 80  60  140  x 
  • 5. Isosceles Triangle Theorem Example: 54  x 
  • 6. Homework Examples: (6y  20)° (8y + 6)° 8y°
  • 7. Homework Examples (5x  8)° (4x + 20)°
  • 8. Homework Examples: y° (4y  22)° 60°
  • 9. Homework Examples: 132° (3x + 2)° (2x  7)°

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