In the present graph, the area of circle A and B are 25 unit and 20 unit respectively work done will be in unit ?

If the intercepts of the variable circle on the x- and yl-axis are 2 units and 4 units, respectively,then find the locus of the center of the variable circle.

What is the area of a circle inscribed in a square of side 'a' units?

In a unit cell, atoms A, B, C and D are present at comers, face centres, body - centre and edge - centre respectively in a cubic unit cell. The total number of atoms present per unit cell is

Tick the correct answer in the following and justify your choice: If the perimeter and the area of a circle are numerically equal,then the radius of the circle is (A) 2units (B) pi units (C) 4 units (D) 7 units

Regular pentagons are inscribed in two circles of radius 5 and 2 units respectively.The ratio of their areas is

Regular pentagons are inscribed in two circles of radius 5 and 2 units respectively.The ratio of their areas is

Using the definite integration area of the circle with radius 4 unit is______