“When will I use Euclidean construction in real life?”
“When you want to make a shelf go around a corner, of course”.

Any Only Connect fans here? Maths Edition. Sort into 4 groups of 4, with connections. #maths
#onlyconnect
#gcsemaths

There exists a bin. A rubbish proof.

There are 2^4=16 ways to set the lights in my parents’ kitchen but on average how many ‘flicks’ does it take me to get the combination I want?

Which is the odd one out?

Correct solution to follow.