1. If the area of rectangle is 60 cm2 and the width is 5 cm, find the length of the rectangle.
2. If the perimeter of a square is 20 cm. Find its area.
3. If the circumference of a circle is 107 cm, find its area.
4. If the area of square is 121 cm2, find the length of a side of a square.
5. A rectangular driveway 12 m long and 4.5 m wide is to be covered by similar square tiles of sides 25 cm.Find the number of tiles needed to cover the driveway.