1. 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 Hint       2. The length of the diagonal of a square is 24 cm. Find its area (in cm2).   Hint       3. The perimeter of a rectangle is 96 m and its breadth is 14 m. Find its area (in m2).   Hint       4. A rectangular carpet has an area of 48 m2 and a perimeter of 28 m. Find the length of its diagonal (in m).   Hint       5. A piece of land in the shape of a rectangle is 25 m long and 16 m wide. It is to be covered with grass leaving 0.5 m all around it. Find the area (in m2) that will not be covered with grass.   Hint       6. The difference between the length and the breadth of a rectangle is 25 m. If its perimeter is 210 m, find its area (in m2).   Hint       7. 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