Question 842224
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
<img src='http://img40.imageshack.us/img40/3000/circleq.png' border='0'/></a>
If a circle has a diameter of 86 centimeter, 
what is the radius of the circle:
 d = 2r
 {{{(86cm)/2}}} = r = 43cm