Starter quiz

  • In a right triangle, if the hypotenuse is 25 cm and a second side is 15 cm, what is the length of the third side? (Use a calculator to help you.)
    • 20 cm  ✓
    • 22 cm
    • 19 cm
  • For this pair of triangles, can you determine whether they are similar without using side lengths?
    For this pair of triangles, can you determine whether they are similar without using side lengths?
    • Yes, because their three angles correspond.  ✓
    • No because you only know two angles.
    • No, because you always need a side and two angles.
  • What is cos(60ᵒ)?
    • 0.5  ✓
    • 0.1
    • 0
    • 1
  • In a right triangle, if the shortest sides are 40 cm and 96 cm, what is the length of the hypotenuse? (Use a calculator to help you.)
    • 100 cm
    • 104 cm  ✓
    • 108 cm
  • Which of the following statements is true for these triangles?
    Which of the following statements is true for these triangles?
    • The triangles are similar.  ✓
    • The triangles are not similar.
    • It is not possible to know whether the triangles are similar or not.
  • Would a triangle ABC with sides AB = 32cm, BC = 24cm, AC = 40cm be similar to the one shown in the diagram?
    Would a triangle ABC with sides AB = 32cm, BC = 24cm, AC = 40cm be similar to the one shown in the diagram?
    • Yes  ✓
    • No
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