In the following figure, everything is square other then large rectangle. If the green square has side length 1 and the brown square has side length 2 then what is the area of the rectangle?

Two circles are drawn inside a square with side length 2 + SQRT(2) as shown in the figure. Let the radius of the larger circle be R and the radius of the smaller circle be r . Find the value of R + r

A circular sector with central angle equal to 120 as shown in figure. We want to place a square symmetrically in it as shown. If the radius of the circular sector is 100 units, what is the side length of the square ?

If the area of a square and rectangle are equal. The side of square is 12 cm and length of the rectangle is 16 cm, then what would be the perimeter of rectangle?