Please show work

(5) A quarter circle of radius 21 is adjacent to a rectangle 2x 2 with sides of length 21 and 2y so that one side of the rectangle rectangle of length 2r is also a side of the quarter circle, as shown. quarter circle 2y (a)[2pts] What is the total area of this shape (answer involves r and y) perimeter shown thick total area = (b)[2pts] What is the outside perimeter of the shape (answer involves r and y) perimeter = (c)[2pts] If the rectangle is a square and the perimeter is 107 + 80 of the whole shape what is the total area (answer is a number with no r or y) area = Show work