MATH HELP NEEDED
posted by elina MS Sue Please Help Me .
Sarah has a rectangular corral for her horses. She wants to put new rail fencing all around the corral. What total lenght of fencing will she need.
Description of the corral: in my book it is square and around the square is a length of 28m and inside the square if you go diagonaaly its a lenght of 42m .
I tried and tried I don't get this question please help

the 2 part to this question is if the rail fencing costs $15/m what will be the total cost of the fencing before tax, please help

HELP PLease, I need it more than anything, I dislike math

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please answer this question I need to know fast. I've been waiting for an whole day 4 u to answer this. PLEASE help me

elina: Something is wrong. If the square is 28 to a side, the diagnonal has to be 39.5.
Is it a rectangle? 
yeha I guess its a rectangle, I don't know it looks like a square in my book