Joanna Deko, Regional Lead for the East Midlands
The football shown is made by sewing together 12 black pentagonal panels and 20 white hexagonal panels. There is a join wherever two panels meet along an edge.
How many joins are there?
Joanna Deko, Regional Lead for the East Midlands
The football shown is made by sewing together 12 black pentagonal panels and 20 white hexagonal panels. There is a join wherever two panels meet along an edge.
How many joins are there?