Annyohasayo
contestada

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. ​

please help me with this Pythagoras theorem A triangle DEF is right angled at E with DE67m and EF55m find the length of DF class=

Respuesta :

emmascostar1

Answer:

8.7m

Step-by-step explanation:

[6.7]²+5.5}²

=[75.14]

√75.14m

=8.7m

spammingallowed

Step-by-step explanation:

[tex] {(df)}^{2} = {(de)}^{2} + {(ef)}^{2} \\ = {6.7}^{2} + {5.5}^{2} \\ = 44.89 + 30.25 \\ = 75.14 \\ df = \sqrt{75.14} = 8.67m \\ thank \: you[/tex]