Say you have a triangle and you want to know
How much space it takes up
Well the going will be slow
But if you turn that triangle into a rectangle
Easy-peasy lemon squeezy
Equivalence (They look real different)
Equivalence (But they take up the same space
Equivalence (That makes it simple)
Just follow the rules and you'll be cool
Say you have to measure some crazy kind of shape
It won't' be a pleasure
Unless you give yourself a break
So if you use the rule to wrangle
It into a big rectangle
Easy-peasy lemon squeezy
Equivalence (They look real different)
Equivalence (But they take up the same space
Equivalence (That makes it simple)
Just follow the rules and you'll be cool
Should we avoid a trapezoid? Make it a rectangle!
Or a parallelogram? Make it a rectangle!
Who among us wanta rhombus? Make it a rectangle
Oh come on, a polygon?!
Equivalence (They look real different)
Equivalence (But they take up the same space
Equivalence (That makes it simple)
Just follow the rules and you'll be cool