Suppose the lengths of the four side of a quadrilateral are represented by the expressions 3a, a+2, 2a-1, and 3a+6. write the sum of the lenghts (the perimeter), and then simplify.
3 answers
add up the four side for the perimeter. I will be happy to critique your work.
Is the answer 8a-1. If not, please help.
9a
1 answer