Annyohasayo
Annyohasayo Annyohasayo
  • 06-09-2021
  • Mathematics
contestada

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. ​

Respuesta :

mhanifa
mhanifa mhanifa
  • 06-09-2021

Answer:

  • 8.67 m

Step-by-step explanation:

DF is the hypotenuse.

Find DF:

  • DF = [tex]\sqrt{DE^2+EF^2}[/tex]
  • DF = [tex]\sqrt{6.7^2+5.5^2} = 8.67[/tex] m (rounded)
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