Problem
First name
Aidan Mooney
School
Sacred Heart Catholic College
Country
Age
13
E) To do question "e" you have to realize that all of the horizontal lines added together apart from B itself are equal to B. This also applies to the vertical lines and A but the lines labelled C do not count. Then you add both the Cs to get the answer A+A+B+B+C+C or 2A+2B+2C is the perimeter.