Math on the football ground

A football pitch is 100 metres long. A piece of bunting 101 metres long is tied to the base of the two corner flags along one side of the pitch. When the bunting is lifted at the middle of the pitch, will the players be able to?

1. a) Barely get their fingers underneath

2. b) Crawl under

3. c) Get under if they crouch

4. d) Comfortably walk under

[note: the bunting is non-elastic, and is raised until it is taut.]

Source: Alex Bellos's Monday puzzle

Solution