Perimeter and A...

The area of triangle with base $$4\ cm$$ and height is $$3\ cm$$

If the area of a circle is $$154{ cm }^{ 2 }$$, then the perimeter is 

The radius of two concentric circles is $$4\ cm$$ and $$3\ cm.$$ The area of the bounded region will be:-

If The side and altitude of a parallelogram are 9 cm and 6 cm respectively,  then its area is 

By converting the 80.2km into the hectare, the answer will be

By converting the 4.8mm into the cm, the answer will be

Ram has a plate in circular form which has design in $$7$$ meter radius .Find the area of design in $$cm^2$$

By converting the $$0.0287m^2$$ into the $$cm^2$$, the answer will be

Area of parallelogram ABCD is not equal to.

Ratio of areas of $$\Delta MNO, \Delta MOP $$ and $$ \Delta MPQ$$  in Fig. is