Head First 2D Geometry

5

circles

And if I push you real hard, this

time you’ll go over the top and

travel the whole circumference.

Now, hold tight!

Going round and round

OK, life doesn’t have to be so straight after all!

There’s no need to reinvent the wheel, but aren’t you glad you’re able to use it? From cars

to rollercoasters, many of the most important solutions to life’s problems rely on circles

to get the job done. Free yourself from straight edges and pointy corners—there’s no end

to the curvy possibilities once you master circumference, arcs, and sectors.

this is a new chapter 205