Answer :
Answer:
C = 22π; A = 121π
Step-by-step explanation:
The relevant formulas for circumference (C) and area (A) are ...
C = πd . . . . . d is the diameter
A = πr² . . . . where r = d/2
Filling in the given value for diameter, we have ...
C = 22π
A = π(22/2)² = 121π