Photoshop question! anyone more of a pro then me?

Question

how do i take.. lets say a photo of a drawing on a table .. of a red square... that was taken at an angle... so the paper and the square have perspective... i want to select the paper and square and stretch it so its now a perfect square once again.. so its now completely horizontal and vertical and the side equal up and everything... basically perfectly.

how do i do that without manually cntrl-Ting the h**l out of it

Answer 1

isn't there a perspective tool under image adjustments...same tool you would use for fixing converging verticals.