Problem
First name
Laura Woods
School
Sacred Heart
Country
Age
12
Filename
We know that all the green lengths add up to A.
So we have 2 A's
All of the red lengths add up to B.
Now we have A+A+B+B
We also have 2 lenght C's
To find the preimeter of the shape w have to do:
A+A+B+B+C+C= Perimeter
So to simplify we have:
2A+2B+2C=Perimeter