Question

this means that if the length a = 2 then the length b = 3.236. in this case what is the length c

Answer 1

Basically what tou have to do in order to find this answer, is to find the rule. The rule in this partiular problem is 1.236 because 3.236-2=1.236. So since the rule is 1.236, all you have to do is 1.236 to 3.236 which is 2.472.