Answer:
The length of EF = x = 18 cm
Option A is correct.
Step-by-step explanation:
Ware given perimeter of triangle = 97 cm
We need to find length of EF = x = ?
The length of EG = x+7
The length of EF = x
The length of GF = 3x
The formula used is: 
Putting values and finding x i.e length of EF

So, value of x=18 cm
The length of EF = x = 18 cm
Option A is correct.
12819=
Yx ..................................
1.6 !!!!!!!!!! x=1.6 !!!!!
Answer:
doesn't x equal 6 too?
Step-by-step explanation:
since x is the same size as the other side of the triangle
Answer:
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Step-by-step explanation: