Triangles And Quadrilaterals
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Transcript

  • 1. Grand Geometry Triangles & Quadrilaterals
  • 2. Vocabulary of a Triangle
    • Hypotenuse
      • Side opposite to the right angle in a right triangle
    • Leg
      • Other sides of the right triangle
  • 3. Classifying Triangles by Their Sides
    • Isosceles Triangle
      • Triangle with exactly 2 congruent sides
    • Scalene Triangle
      • Triangle with no congruent sides
    • Equilateral Triangle
      • Triangle with all congruent sides
  • 4. Classifying Triangles by Their Angles
    • Acute Triangle
      • Triangle with all acute angles (less than 90 o )
    • Right Triangle
      • Triangle with 1 right angle (90 o )
    • Obtuse Triangle
      • Triangle with 1 obtuse angle (more than 90 o )
    • Equiangular Triangle
      • Triangle with all equal angles (60 o )
  • 5. General Quadrilateral
    • 4 sides
    • 4 angles
  • 6. Trapezoid
    • Exactly 1 pair of parallel sides
    • Also can be called:
      • Quadrilateral
  • 7. Parallelogram
    • 2 pairs of congruent sides
    • 2 pairs of parallel sides
    • Also can be called:
      • Quadrilateral
  • 8. Rectangle
    • 2 pairs of congruent sides
    • 4 right angles
    • Also can be called:
      • Parallelogram
      • Quadrilateral
  • 9. Rhombus
    • 4 congruent sides
    • 2 pairs of congruent angles
    • Also can be called:
      • Parallelogram
      • Quadrilateral
  • 10. Square
    • 4 congruent sides
    • 4 right angles
    • Also can be called:
      • Rhombus
      • Rectangle
      • Parallelogram
      • Quadrilateral
  • 11. Test your knowledge!
    • http://teams.lacoe.edu/documentation/classrooms/amy/geometry/6-8/activities/quad_quest/quad_quest.html