Answer:
pi/2
Explanation:
pi/2 is around 1.5707......
The first number is 3 (square of 36=6----------6/2=3
So 1.5707.....is LESS than 3
The last number is around 9.4247......
All numbers between these 2 numbers , except pi/2 ,are more than 3 and less than 9.4247....