# I'm more than my brother but have less

We are two brothers
bounded by a circle
I'm his double
but he has twice more legs than me

What are we?

• This is my first riddle, and if anything should be unclear or two broad, I'd like to apologize for that in advance. – yunzen Jan 18 at 10:03

pi ($$\pi$$) and tau ($$\tau$$) both circle ratios.
$$\tau = 2\pi$$ but $$\pi$$ has twice the number of legs of $$\tau$$.