P = 2l + 2w Perimeter Formula
= l.
This is the answer to the first problem.
Step-by-step explanation: P = 2l + 2w Perimeter Formula
P – 2w = 2l + 2w – 2w Subtract 2w from each side.
P – 2w = 2l Simplify.
2
P 2w
=
2
2l
Divide each side by 2.
2
P 2w
=1
Simplify.