Question 131535
what is the radius of a circle with a diameter of 8 inches.
<pre><font size = 4 color = "indigo"><b>
Here is a circle

{{{drawing(100,100,-3,3,-3,3, circle(0,0,2))}}}

Here is its radius, which is half way across the circle:

{{{drawing(100,100,-3,3,-3,3, circle(0,0,2),line(-2,0,0,0))}}}

Here is its diameter, which is all the way across the circle:

{{{drawing(100,100,-3,3,-3,3, circle(0,0,2),line(-2,0,2,0))}}}

So you can see that the radius is one-half of the diameter.
So if the diameter is 8 inches, the radius must be one-half of
8 inches, or 4 inches.

Easy, wasn't it?

Edwin</pre>