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Please help me with this question x.x

[From: ] [author: ] [Date: 12-05-27] [Hit: ]
12=2x, x=6.(5*6)+1=31.124.......
Katrina is fencing her yard, which is shaped as a rhombus. She used (5x + 1) meters of fencing material for one side and (7x - 11) meters for the adjacent side.

What is the perimeter of the yard?

My teacher told me to add up all of the sides since its the perimeter. How exactly would you do that?
Is that even the right way to figure out the answer?

Answers:
116 meters

124 meters

140 meters

168 meters

-
Okay, a rhombus has
sides of equal length.
So, 5x+1=7x-11.
So,11+1=7x-5x,
12=2x, x=6.
So one side is
(5*6)+1=31.
So perimeter=31*4=
124.
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