Question 44218
The perimeter of any shape is the sum of all its side lengths. Let P=perimeter.
{{{P=4+(sqrt(5)-sqrt(3))+(sqrt(5)+sqrt(3))}}}
{{{P=4+2sqrt(5)}}}
And that is the answer!

I hope this helps
P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk