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Maths
Trigonometry

Starter quiz

  • In a right triangle, if the shortest sides are 48 cm and 20 cm, what is the length of the hypotenuse?
    • 52 cm  ✓
    • 50 cm
    • 54 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.
  • In a right triangle, if the hypotenuse is 45 cm and a second side is 36 cm, what is the length of the third side? (Use a calculator to help you.)
    • 28 cm
    • 27 cm  ✓
    • 26 cm
  • In a right triangle, if the hypotenuse is 15 cm and a second side is 12 cm, what is the perimeter? (Use a calculator to help you.)
    • 34 cm
    • 36 cm  ✓
    • 32 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.
  • Could an equilateral triangle be similar to the triangle below?
    Could an equilateral triangle be similar to the triangle below?
    • Yes
    • No  ✓
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