woodberryaija woodberryaija

22-11-2021
Mathematics

contestada

Find the value of x, then find EF.
3x + 5
7x - 39

X=
EF=

Find the value of x then find EF 3x 5 7x 39 X EF class=

Respuesta :

Selena328 Selena328

22-11-2021

Answer:

x = 8.8

EF = 22.6

Step-by-step explanation:

The given figure is of a rectangle.

We know that the opposite sides of a rectangle are parallel and equal.

So,

3x+5 = 7x-39
3x-7x = -39-5
-5x = -44
x = -44/-5
x = 8.8

Now, finding EF

7x-39
7×8.8-39
61.6-39
22.6

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