Circumference jokes
What was the knight's name that sat at the round table?
Circumference.
Using Pi, distract that fat kid next to you and copy his answers.
Low quality
How do you measure the circumference of Uranus?
By the rings around it.
Which one of Lord Arthur's knights invented the round table?
Sir Cumference.
Who’s the roundest knight at King Arthur’s round table?
Circumference.
What do a circle and a sphere have in common?
They're round, and round is a shape.
Why is a circle gay?
It's not straight.