4gr math
posted by
jojo
.
if the diameter of a circle is one
foot, then the radius of the circle is how many inches?

4gr math 
Ms. Sue
A radius is half of the diameter.
1 foot = 12 inches
How long do you think the radius is?

4gr math 
jojo
13

4gr math 
Ms. Sue
13 is not half of 12.
Divide 12 by 2.

4gr math 
Ms. Sue
Right. The radius is 6 inches.

4gr math 
joselin
How to do 1,567+678