1. Decide the fraction by which you would like to divide your circle. For our purposes, we will divide a circle in half, or 1/2. You can multiply 360 degrees by the fraction to determine
http://www.ehow.com/how_8679428_dividecircletool...

a square.
http://wiki.answers.com/Q/What_is_a_sphere_divided...

Pi = Circumference divided by diameter. ChaCha!
http://www.chacha.com/question/whatisthecircumf...

Chord area of a circle: http://search.yahoo.com/search?p=Chord+a…. Do the reverse of these steps, starting with 1/3 of the area of the known circle: 1) Multiply the central
http://answers.yahoo.com/question/index?qid=201312...
