Circles

1. Task

1.1. xiao yan

1.1.1. Fromula

1.2. Hassan

1.2.1. history of pi

1.3. Shu jin

1.3.1. How

1.3.2. What

1.3.3. Why

2. pi

2.1. 3.14 or 22/7

3. Radius

3.1. 1/2 of diameter

3.2. The distance from the center point to the circle

4. Area

4.1. The inside of the circle

4.2. Formula

4.2.1. circle pi x r x r

4.2.2. semi circle=1/2 x pi x r x r

4.2.3. quardant=1/4 x pi x r x r

5. diameter

5.1. Distance across the circle

5.2. also 2x radius

6. Circumference

6.1. Formula

6.1.1. pi x radius x 2

6.1.2. pi x diameter

6.2. The distance around the circle

6.3. you need to add the diameter if they want you to find the perimeter of the figes

7. Amazing Alaconda

7.1. Hassan

7.2. xiao yan

7.3. shu jin

8. How

8.1. New node

9. What

9.1. what is circle

9.1.1. a polygon with indefinite sides

10. Why

10.1. why we need to learn circle

10.1.1. because circle is found in our daily life

11. History

11.1. New node

12. where

12.1. where does circle come from

12.1.1. from the Latin