Answer:
50.27 units
Step-by-step explanation:
The formula for the circumference of a circle is:
C = d
where, d = diameter
Now plug in the values as shown below:
C = 16
C = 50.27
9 mm wide
Perimeter = length x 2 + width x 2
34 mm = 16 mm + ?
34mm = 16 mm + 18 mm
18/2 = 9