Answer:
The circumference because it's not about the interior space of the circular track but the track itself.
Hope this helped!
Step-by-step explanation:
90÷0.018=5000
90÷0.18= 500
90÷1.8 = 50
90÷18 =5
90÷180 =0.5
you need to type the questions out we have no idea what questions there are.
