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This diagram shows a SQUARE picture frame which measures 13 cm by 13 cm. The smaller square represents the area where the picture (which is `x` by `x`) will fit.

Figure is not drawn to scale
Dazzline wants to cover the white area, the mat, in fabric.
Write an expression that represents the area of fabric that Dazzline will need.
    Area of fabric =  
If `x = 9` cm, how much fabric will Dazzline need?
    Dazzline will need `\text{cm}^2` of fabric.

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