Respuesta :

We see that CF and DE are parallel to each other, which means that they had the same length with each other, so:
6n-1=5n+9
Subtract 5n for both side
6n-1-5n=5n+9-5n
n-1=9
Add 1 for both side
n-1+1=9+1
n=10
CF=
6n-1
=6(10)-1
=60-1
=59
DE=
5n+9
=5(10)+9
=50+9
=59
CD/FE:
4n+2
=4(10)+2
=42
True/False:
n=10 True
n=7 False
CF=59 True
FE=42 True
CD=30 False. As a result, n=10;CF=59; and FE=42 is your final answer. Hope it help!
ankitprmr2

Options A, C, and D apply.

We know that the opposite sides of parallelograms are always equal in length.

The given parameters are:

CF = 6n - 1

CD = 4n + 2

DE = 5n + 9

Side CF and DE are the opposite sides of the parallelogram CDEF.

Therefore,

[tex]6n-1=5n+9\\n=10[/tex]

Thus,

The length of the side CF is 59.

The length of the side CD is 42.

The length of the side DE is 59.

The length of the side FE is 42 since it is opposite to CD.

Hence, options A, C, and D apply.

To know more about the parallelogram, please refer to the link:

https://brainly.com/question/9680084

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