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This diagram shows a SQUARE picture frame which measures 11 cm by 11 cm. The smaller square represents the area where the picture (which is `x` by `x`) will fit.
Figure is not drawn to scale
DeAndre wants to cover the white area, the mat, in fabric.
Write an expression that represents the area of fabric that DeAndre will need.
Area of fabric =
If `x = 7` cm, how much fabric will DeAndre need?
DeAndre will need
`\text{cm}^2` of fabric. `11^2 - x^2`
72