1. Look at my head! It’s almost a perfect circle! Look at my head! It’s almost a perfect circle!

4. So how do we find the circumference of a Grubby Dub’s Pizza? So how do we find the circumference of a Grubby Dub’s Pizza?

5. That doesn’t seem bad, but what if you’re only given the radius? That doesn’t seem bad, but what if you’re only given the radius?

6. Isn’t doubling like multiplying by 2? It’s a gift.

9. Do you think you could find the area of say… my face? Do you think you could find the area of say… my face? Sweet! How do we do this? Sweet! How do we do this?

10. Is that good?

11. 11 ft 1. 2. 7 m 3. 4. 7 in 12 km