Rectilinear Figures, SM-Bank 017 A rectangular parking lot has a perimeter of 80 metres. Each short side has a length of 10 metres. What is the length of the long side? (2 marks) --- 4 WORK AREA LINES (style=lined) --- Show Answers Only \(30\ \text{m}\) Show Worked Solution \(\text{Let}\ \ d=\text{long side of parking lot}\) \(2\times d + (2\times 10)\) \(=80\) \(2d\) \(=80-20\) \(2d\) \(=60\) \(\therefore\ d\) \(=30\ \text{m}\)