Answer:
17.1
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Answer:

Step-by-step explanation:
Diameter of the circle=

Circumference of a circle:


Area of the circle:


(n-1)+n+(n+1)
With n as the middle of 3 integers, n-1 is the integer just before n and n+1 is the integer just after n.