Answer:
45.8 cm
Step-by-step explanation:
Let the length of other leg be l
By pythagoras theorem,

A dozen is 12 and since 4 is a multiple of 12, I did 12 divided by 4 which is three. So i did 3.50 multiplied by 3 and the answer is 10.50
I would just round up to 200 and then subtract twelve or just subtract 200 what ever way u prefer.