A farmer has an adjustable electric fence that is 100 metres long. He uses this fence to enclose a rectangular grazing area on three sides, the fourth side being a fixed hedge. Find the maximum area he can enclose.
Problem taken from L Bostock and S Chandler, Stanley Thornes Publishers Ltd, 1980.
- PDF of the solution
- Xlsx file for calculating the area of polygons and plotting the quadratic function
- Wolfram Perimeter – Area