circle with diameter 8m: Diameter = 8m
circle with radius 7m: Diameter = 7 x 2 = 14 m
circle with circumference 37.68m = Diameter = 37.68 ÷ π = 12 m
circle with diameter 16: Diameter = 16m
Largest to smallest:
1) Circle with diameter 16
2) Circle with radius 7m
3) Circle with circumference 37.68m
4) Circle with diameter 8m