Respuesta :

given data:

The area of a rectangular painting is 4389 cm square.

the width of the painting is 57 .

To find the length of the painting.

the formula to find the area of rectangle is,

[tex]A=l\times b[/tex]

to find the length,

[tex]\begin{gathered} l=\frac{A}{b} \\ l=\frac{4389}{57} \\ l=77 \end{gathered}[/tex]

the length of the rectangle painting is 77.

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