Tommy Triangle is the name for me,
Count my sides: 1, 2, 3!
Sammy Square is my name,
I have 4 sides, they're all the same!
I'm Reggie Rectangle, I am a good sport.
I have 4 sides, 2 long and 2 short!
I'm Cindy Circle,
My side bends,
It's one long curve that never ends!