Convert the following polar coordinates to its equivalent cartesian coordinates. (3,270°) a. (3,-3) b. (0,-3) c. (-3,-3) d. (-3,0)

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm