Math Quiz Pib - Proofs And Symmetry

26 Questions | Total Attempts: 47

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Math Quiz Pib - Proofs And Symmetry

Questions and Answers
  • 1. 
    What's the angle sum of a triangle?
  • 2. 
    What's the angle sum of a quadrilateral? (fyrhörning)
  • 3. 
    Which of the following alternatives are true about isosceles triangles? (likbenta trianglar) (More than one alternative can be correct.)
    • A. 

      In isosceles triangles, two sides are equal in length

    • B. 

      In isosceles triangles, all sides are equal in length

    • C. 

      In isosceles triangles, the two base angles are equal (basvinklarna är lika)

    • D. 

      In isosceles triangles, all angles are equal

  • 4. 
    Which of the following alternatives are true about equilateral triangles? (liksidiga trianglar) (More than one alternative can be correct.)
    • A. 

      In equilateral triangles, two sides are equal in length

    • B. 

      In equilateral triangles, all sides are equal in length

    • C. 

      In equilateral triangles, the two base angles are equal (basvinklarna är lika)

    • D. 

      In equilateral triangles, all angles are equal

  • 5. 
    What is x? (How many degrees)
  • 6. 
    In which triangles can Pythagoras' theorem be used to calculate the unknown length?
    • A. 

      A)

    • B. 

      B)

    • C. 

      C)

    • D. 

      D)

  • 7. 
    Calculate the unknown length.
  • 8. 
    What is the line k called? (in english or swedish)
  • 9. 
    How many degrees is angle x?
  • 10. 
    How many degrees is angle x?
  • 11. 
    How many lines of symmetry does each traffic sign have if you take the following into consideration: only the outer shape of the signs? OBS! Type your answer like this: Ex: A3 Binfinite C5 D0
  • 12. 
    How many lines of symmetry does each traffic sign have if you take the following into consideration: outer shape, the text, colour and the content? OBS! Type your answer like this: Ex: A3 B2 C5 D0
  • 13. 
    Which scales indicate a reduction (förminskning)?
    • A. 

      1:4000

    • B. 

      2:5

    • C. 

      6:1

    • D. 

      15:16

    • E. 

      20000:1

  • 14. 
    Which of the following formulas is used to calculate the scale?
    • A. 
    • B. 
    • C. 
  • 15. 
    On a map with scale 1:350 000 is the distance between two cities 5 cm. How many kilometers is the distance in real life?
  • 16. 
    Which of the following implications are true?
    • A. 
    • B. 
    • C. 
    • D. 
    • E. 
  • 17. 
    Which of the following implications are equivalent? (Which of the following  can be replaced by  ?)
    • A. 
    • B. 
    • C. 
    • D. 
    • E. 
    • F. 
    • G. 
  • 18. 
    Which of the following alternatives is true about theorems?
    • A. 

      A theorem is the same as a statement

    • B. 

      A theorem is the same as a definition

    • C. 

      A theorem is based on experiments and observations

    • D. 

      A theorem is a statement which has been mathimatically proven

    • E. 

      A theorem is a starting point of reasoning

  • 19. 
    "The triangle is right angled"...True or false?
    • A. 

      True

    • B. 

      False