Because .4 is bigger than .3.
the closer you are to .9 the more closer you are to a positive 1
hope this helps :)
Answer:
The area is approximately 1256.64 The circumference is approximately 125.66
Step-by-step explanation:
This is because to find the area of a circle you square the radius and multiply by Pi. To find circumference, you can multiply the Diameter (twice radius) by Pi.