When does a Pentagon have only 4 sides?

When it is intercepted by a plane.

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4 Jokes More 4 Jokes

Why does no one like the number 4?

It's too square.

Why aren't Pokemon very good dancers?

They can only learn 4 moves.

Plane Jokes More Plane Jokes

Why did Russia close all of its airports?

The planes were stalin.

Why were people in the Twin Towers so upset?

They ordered pepperoni but all they got was plane

Intercept Jokes More Intercept Jokes

When does a Pentagon have only 4 sides?

When it is intercepted by a plane.

When is a pentagon not a pentagon?

When it's intercepted by a separate plane.