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The value of x is 3 because of the green triangle is bigger than the blue then it’s the same size u just need to cut the blue in half and u have thale value to x and then I need to do 3 step equations
smrtperson1

Answer: The value of x equals 2

Step-by-step explanation: New value / old value = scale factor

1) x/5 = 2.5  

2)5x1  ->  5/2.5=2 Since you have nothing to cross multiply (youd basically multiply 5 by 1) you would divide.

3) x=2