Pythagoras

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1. A right angled triangles corners are labelled DEF. DF is the longest side and has a length of 8.9cm. Side DE has a length of 7.9cm. Side length EF is unknown. What is the length of EF in cm?

  • 4.1m
  • 41cm
  • 4.1cm
  • 410m
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Other questions in this quiz

2. There is a right angled triangle and the side opposite the right angle, which is also the longest side, has an unknown length.... The other 2 sides have lengths of 6 and 8. What is the missing length?

  • 10
  • 100
  • 14
  • 48

3. The longest side on a right angled triangle is 17, on of the others sides lengths is 15 and the other is unknown. What is the unknown side length?

  • 289
  • 225
  • 8
  • 10

4. What is the equation for using pythagoras?

  • o^2 = a^2 + h^2
  • h = o+a
  • h^2 = o^2 + a^2
  • o = a+h

5. When will pythagoras' theorem work?

  • On a square
  • On a right angled triangle
  • On an equilateral triangle
  • On an isosceles triangle

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