Starter quiz

  • In a right triangle, if the hypotenuse is 40 cm and a second side is 32 cm, what is the length of the third side? (Use a calculator to help you.)
    • 24 cm  ✓
    • 26 cm
    • 22 cm
  • In a right triangle, if the shortest sides are 10 cm and 7.5 cm, what is the length of the hypotenuse? (Use a calculator to help you.)
    • 12.5 cm  ✓
    • 11.5 cm
    • 13.5 cm
  • Would a triangle ABC with sides AB = 9cm, BC = 7.5cm, AC = 12.5cm be similar to the one shown in the diagram?
    Would a triangle ABC with sides AB = 9cm, BC = 7.5cm, AC = 12.5cm be similar to the one shown in the diagram?
    • Yes
    • No  ✓
  • 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.
  • In a right triangle, if the hypotenuse is 200 cm and a second side is 120 cm, what is the perimeter? (Use a calculator to help you.)
    • 470 cm
    • 492 cm
    • 480 cm  ✓
  • In a right triangle, if the hypotenuse is 30 cm and a second side is 18 cm, what is the area? (Use a calculator to help you.)
    • 512 cm^2
    • 216 cm^2  ✓
    • 1028 cm^2
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