1. A rectangular carpet has an area of 48 m2 and a perimeter of 28 m. Find the length of its diagonal (in m).   Hint Hint       2. A rectangle of area 180 m2 and perimeter 56 m has its length equal to x m. Find its length (in m).   Hint       3. The length of the diagonal of a square is 30√2 cm. Find its perimeter (in cm).   Hint       4. The perimeter of a rectangle is 96 m and its breadth is 14 m. Find its area (in m2).   Hint       5. The area of a square field is 18 hectares. How much distance (in m) does a man have to cover to cross it diagonally? Note that 1 hectare = 10000 m2.   Hint       6. 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       7. 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