Which of the following expressions can be used to find the perimeter of the shape? All sides are the same length. A. 15 x 15. B.
2 answers:
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Your proportion should look something like this
After cross multiplication, you should end up with this equation
After dividing 4 on both sides, you should get that x=9
After cross multiplication, you should end up with this equation
After dividing 4 on both sides, you should get that x=9