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

Otras preguntas

Which is not a way in which US boundaries changed between 1800 and 1821? A. The nation doubled in size with the Louisiana Purchase. B. New England states lost
six sisters share 4 sandwiches equally. How much would each get?
Write a statement summarizing progressive beliefs?
Which of the following is the economic definition for recession? Any increase in unemployment is a recession. An increase of 2% or more in unemployment is a rec
How many triangles can be constructed with side lengths of 7 cm, 10 cm, and 18 cm? A. 0 B. 1 C. 2 D. an infinite number
Which term is defined as a change to the U.S. Constitution? A. preamble B. amendment C. bill D. delegate
How do you say "I am so lucky to have a friend like you!" in french?
which is higher? 16 tons or 32,000 pounds?
Who built Fort Ross and why?
The Russian Empire was comprised of a multi-ethnic population. true or false?