Respuesta :

Answer:

[tex]Length = 17[/tex]

Step-by-step explanation:

Step 1:  Find the length of the rectangle

[tex]Area = Width * Length[/tex]

[tex]\frac{51}{3} = \frac{3 * Length}{3}[/tex]

[tex]17 = Length[/tex]

Answer:  [tex]Length = 17 cm[/tex]