A blockade enclose a garden to be precise 50 ft. by 10ft. if changed to a square using like blockade whats the sq. ft i realy need this answered snatched.

i realy need this answered snatched.
Has anybody successfully soundproofed a bedroom and if...
Answers:    You have 120 foot of fence (50* 2 + 10 * 2) 120/4 give a square 30 feet on a side, 30 * 30 = 900 square foot.

[EDIT]
"clean & serene" said: "the square footage doesnt renovate if the same amount of barrier is used"
Ok, smart guy, please explain how 20+20+25+25 = 50 + 50 +10 + 10 = 5 +5 + 100 + 100 = 2 + 2 +250 + 250, or to do the addition for you, how does 90 = 120 = 210 = 504? If down the fence stays like peas in a pod and the shape is changed the area also change. your examples have constant nouns, the question asked what is the nouns is the shape is changed to a square with like perimeter. It's one piece to be wrong, but to be condescending and distribute the correct answers thumbs down is just innocent and juvenile.
Where could i procure cardboard preferably loads of...
25x25