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Area, SM-Bank 056

A sporting field in the shape of a square has a side length of 110 metres.

  1. Calculate the area of the sporting field in square metres.  (2 marks)

  2. During the off-season, the sporting field is to be covered in fertiliser. If fertiliser costs $6.50 per 100 square metres, calculate the cost of fertilising the field.  (2 marks)

Show Answers Only

a.    \(12\ 100\ \text{m}^2\)

b.    \($786.50\)

Show Worked Solution
a.    \(\text{Area}\) \(=s^2\)
    \(=110^2\)
    \(=12\ 100\ \text{m}^2\)

 

b.    \(\text{Cost}\) \(=\dfrac{12\ 100}{100}\times 6.50\)
    \(=121\times 6.50\)
    \(=$786.50\)