Answer:
They help know which decision is best and help you realize. It help expirement as well. For example you are trying to see what happens after making a decision. Decisions are also well known to making good and correct choices.
good for you
Step-by-step explanation:
Circumference = Diameter X PI
Circumference = 40 x PI = 40PI
Using 3.14 for PI
Circumference = 40 x 3.14 = 125.6 yards.