Round 71195.4277573 to 2 decimal places

15 point ! ~ see if you know the answer to both you!

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r