The radius of a circle is 2.12m .its area according to the rule of significant figure is

The radius of a disc is 1.2 cm. Its area according to idea of significant figures, will be given by :-

The radius of disc is 1.2cm its area according to idea of significant figures is..........

The radius of a circle is 7 cm. Find its area

The radius of a sphere is 1.41 . its volume to an appropring number of significant figure is

Radius of a circle is 2.23m. Area of the circle is

The radius of a thin wire is 0.16mm . The area of cross section taking significant figures into consideration in square millimeter is

The radius of a circle is stated as 2.12 cm. Its area should be written as

If the radius of the circle is 6 cm, then the area of the shaded region shown in the figure is