P=4xL
If p=88
L= p/4
L=88/4 -------L=22

-----------------
To solve this all it takes is two simple steps
Simplify

1/2x =22
------------------------
Multiply both sides by 2
2 ·

= 2 · 22
x = 44
9.09 I'm pretty sure this it
<span>circumference = 2 π r
138.16 = 2 π r
138.16/2π = 2π/2π r
21.98884694 =r
D</span><span>iameter = r X 2
</span>Diameter = <span><span>21.98884694</span> X 2</span>
Diameter = 43.97769388