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Area, SM-Bank 074 MC

A square table top has an area of 4225 square centimetres.

What is the area of the table top in square metres?

  1. \(0.4225\ \text{square metres}\)
  2. \(4.225\ \text{square metres}\)
  3. \(42.25\ \text{square metres}\)
  4. \(42\ 250\ \text{square metres}\)
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\(A\)

Show Worked Solution

\(\text{Side length}\ =\sqrt{4225} =65\ \text{cm}= \dfrac{65}{10\ 000} = 0.65\ \text{m}\)

\(\text{Area}\ =0.65^2 =0.4225\ \text{square metres}\)

\(\Rightarrow A\)