jennyrivera5 jennyrivera5
  • 16-05-2020
  • Mathematics
contestada

In the right triangle shown DF=EF=3. How long is DE?

Respuesta :

wanderspamlust
wanderspamlust wanderspamlust
  • 16-05-2020

Answer:

4.24

Step-by-step explanation:

To solve this, use the Pythagorean therom. A^2 + b^2 = C^2

in this case a = 3  and b = 3

so 9 + 9 =  sqrt 18  

4.24

Answer Link
Chelboy
Chelboy Chelboy
  • 16-05-2020

Answer:3√(2)

Step-by-step explanation:

DF=3

EF=3

DE=√(3^2 + 3^2)

DE=√(3x3 + 3x3)

DE=√(9+9)

DE=√(18)

DE=√(2 x 9)

DE=√(2) x √(9)

DE=√(2) x 3

DE=3√(2)

Answer Link

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