Im guessing what you’re asking what that arrow means, its less than
Answer:
arithmetic; d = 3; 16.9
Step-by-step explanation:
4.9 - 1.9 = 3
7.9 - 4.9 = 3
10.9 - 7.9 = 3
13.9 - 10.9 = 3
--
13.9 + 3 = 16.9
3.3 is rational. The decimal doesn't recur, meaning it doesn't go on forever.
3.3 with a dot above the decimal place is recurring, because the dot means that number goes on forever
Hope I helped!
Your answer would be 37 as the formula for circumference is 2 times pi times your radius