SmarterEd

Aussie Maths & Science Teachers: Save your time with SmarterEd

Area, SM-Bank 072 MC

A square table top has an area of 9025 square centimetres.

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

  1. \(9.025\ \text{square millimetres}\)
  2. \(90.25\ \text{square millimetres}\)
  3. \(90\ 250\ \text{square millimetres}\)
  4. \(902\ 500\ \text{square millimetres}\)
Show Answers Only

\(D\)

Show Worked Solution

\(\text{Side length} =\sqrt{9025} =95\ \text{cm}= 95 \times 10 = 950\ \text{mm}\)

\(\text{Area}\ =950^2 =902\ 500\ \text{square millimetres}\)

\(\Rightarrow D\)