To find the radius of the circle, we simply multiply the diameter
by 1/2 and we will get the radius of the circle.
So we have 3 × 1/2.
Think of the 3 as 3 over 1 so we have 3/1 × 1/2.
Multiplying, we get 3/2.
Now, 3 divided by 2 simplifies to 1.5.
So the radius is 1.5.
