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25 marks . please help me with this Pythagoras theorem.. A triangle DEF is right- angled at E, with DE=6.7m and EF=5.5m . find the length of DF. ​
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25 marks .

please help me with this Pythagoras theorem.. A triangle DEF is right- angled at E, with DE=6.7m and EF=5.5m . find the length of DF. ​

User RKrishna
by
7.9k points

1 Answer

4 votes

Answer:

  • 8.67 m

Explanation:

DF is the hypotenuse.

Find DF:

  • DF =
    √(DE^2+EF^2)
  • DF =
    √(6.7^2+5.5^2) = 8.67 m (rounded)
User Xashru
by
7.8k points
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