math
posted by Anonymous on .
Harry planned a rectangular garden that was 40 feet long and 10 feet wide.
A. What was the perimeter, in feet, of the garden that Harry planned?
B. What was the area in square feet, of the garden that Harry planned?
C. Suppose Harry decided to change the shape of his garden to a square with the same area as the rectangle. What would be the perimeter in feet of the square garden?
A. 100 feet?
B. 400 feet?
C. I do not know
I am right or wrong and tell and explain to me why. Please :)

A and B are correct.
C
√400 = 20
4 * 20 = 80 feet perimeter 
It's 1.8000