Lines which are parallel have the same gradient. For example, \(\text{y = 2x + 1}\) and \(\text{y = 2x - 2}\) will be parallel because they both have a gradient of 2. We want to determine if the ...

The pitch, or field of play, should be rectangular, between 130m and 145m in length and 80m and 90m in width. It can be reduced for younger players. A series of lines are marked across the pitch at ...