Answer:
See below
Step-by-step explanation:
If by circumference you meant perimeter and diameter you mean length, then here is my answer.
Perimeter = 2L+ 2W
13653= 2*L + 2*5431
13653= 2L + 10862 Subtract 10862 from both sides
2791= 2L Divide by 2
L= 1395.5
The diameter is 1395.5
