(Mcq) If the perimeter of a circle is half to that of a square, then the ratio of the area of the circle to the area of the square is
(Class 10) The base BC of an equilateral △ABC lies on the y-axis. The co-ordinates of C are (0, –3). If the origin is the mid-point of the base BC, what are the co- ordinates of A and B?
(Class 10) If the ratio of the perimeter of △AOB to the perimeter of △COD would have been 1 : 4, then
