The length of major axis of the ellipse `4x^(2) + 9y^(2) = 36 ` is _

The length of minor axis of the ellipse 9x^(2) + 4y ^(2) = 36 is _

Length of the major axis of the ellipse 9x^(2)+7y^(2)=63, is

Length of the major axis of the ellipse 9x^(2)+7y^(2)=63, is

Find area of the ellipse 4x ^(2) + 9y ^(2) = 36.

The length of major axis of the ellipse x^2+2y^2+4x-12y-3=0 is

The length of the major axis of the ellipse 2x^(2)+y^(2)-8x-2y+1=0 is

The length of the major axis of the ellipse (x-3)^(2)/4+(y-2)^(2)/9=1 is

The length of latus rectum of the ellipse 4x^(2)+9y^(2)=36 is

The vertices of a quadrilateral are situated at foci and the extrimities of the minor axis of the ellipse 4x^(2) + 9y^(2) = 36 . Find the area of the quadrilateral .