hi,
take a = 1 m as the side of the squre.
now the area of the existing pool is 1sq.mt.
to get the pool 4times more, add an equilateral traingle each side of the square, now the trees come in the middle of the sides.
length of a side now = 2 mts.
area = 4 sq. mts.
bye.





Reply With Quote
