1. The length of the diagonal of a rectangle is 61 cm and its area is 660 cm2. Find the perimeter (in cm upto two decimal places) of the rectangle.   Hint Hint       2. The perimeter of a rectangle is 96 m and its breadth is 14 m. Find its area (in m2).   Hint       3. Find the area (in m2) of a swimming pool in the shape of a rectangle whose one side measures 15 m and the length of whose diagonal is 25 m.   Hint       4. The length of the diagonal of a square is 24 cm. Find its area (in cm2).   Hint       5. Find the length (in cm) of the diagonal of a square of area 450 cm2.   Hint       6. A rectangular carpet has an area of 48 m2 and a perimeter of 28 m. Find the length of its diagonal (in m).   Hint       7. A corridor is 15 m long and 8 m broad. Find the cost (in $) of carpeting it with a carpet 60 cm long at 4 per meter.   Hint