Three word game ...

[Paulus]

that Pythagoras said

 

[mistyoptic]

stretch your equilaterals

 

[Ming the Merciless]

over your hypotenuse

 

[classic33]

equalling both your

 

[mistyoptic]

very acute angles

 

[classic33]

at their intersecting

 

[guitarpete247]

Perpendicular railway junctions

 

[classic33]

, which offer excellent

 

[guitarpete247]

Connections to city

 

[postman]

Champions of England

 

[classic33]

Scotland and Ireland

 

[guitarpete247]

And the Principality

 

[Ming the Merciless]

Of Tooting Market

 

[classic33]

, Peckham being just

 

[Ming the Merciless]

A popular front