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Area, SMB-021 MC

Pablo cuts a square out of a rectangular piece of paper, as shown below.

The square Pablo cut out has a side length of 6 cm.

Which of these expressions gives the area of Pablo's piece of paper after cutting out the square?

  1. `(28 xx 20)-(6 xx 6)`
  2. `(22 xx 14) + (6 xx 6)`
  3. `(28 + 20)-(6 + 6)`
  4. `(28 + 20) + (6 xx 6)`
Show Answers Only

`A`

Show Worked Solution
`text(Area)` `=\ text(Area of larger rectangle − Area of square)`
  `= (28 xx 20)-(6 xx 6)`

 
`=>A`