The length , breadth , and thickness of a sheet are respectively 4.234 m , 1.005 m, and 2.01 cm find the area and the volume of the sheet to correct number of significant figure

Find the areas of the circle of radius 3.458 cm upto correct significant figures.

The length and breadth of a rectangle are 12 cm and 4 cm. respectively. Find the perimeter and area of the rectangle.

State the number of significant figure in the following. .007 m^2

The length, breadth and height of a rectangular block of wood were measured to be l= 12.13+-0.02cm, b= 8.16 +- 0.01 cm, h=3.46 +- 0.01 cm . Determine the precentage error in the volume of the block upto two significant figures.

/_\ABC~/_\DEF and their areas are respectively 64 cm^2 and 169 cm^2 . If the length of BC=4 cm , find EF.

State the number of significant figure in the following. .0006032 m^2

When measured from outside,the length,breadth and height of a top-open metal box of thickness 0.5cm.were found to be 10cm.,9cm and 2.5cm respectively.Find the volume of the metal needed to make the box and the capacity of the box as well.

/_\ABC~/_\DEF and their areas are respectively 64 cm^2 and 121 cm^2 . If EF=14.4 cm find BC.

The length and breadth of a rectangle are (5.7 +-0.1) cm and (3.4+- 0.2) cm. Calculate area of the rectangle‘with error limits.

The length of the diagonals of a plot of land in the form of a rhombus are 125 m. and 85 m. respectively. Find the area of the plot of land.