Area - Questions and Answers

6. A rectangle has 15 cm as its length and 150 cm2 as its area. Its area is increased to 1 times the orginial area by increasing only its length. Its new perimetrer is:

7. One side of a rectangular field is 4 metres and its diagonal is 50 metrs. The area of the field is:

8. The ratio of the areas of two squares one having double its diagonal than the other is:

9. The length of a plot is four times its breadth. A playground measuring 1200 square metres occupies a third of the total area of the plot. What is the lengthof the plot in metres?

10. The area of a rectangle 144 m long is the same as that of a square having a side 84 m long. The width of the rectangle is: