[" The length of totusrectum of the hyperbota "2" sy "],[" tor "7=400" is "]

The length of the latus rectum of the hyperbola 25x^(2)-16y^(2)=400 is

The length of the latus rectum of the hyperbola 25x^(2)-16y^(2)=400 is

The length of the latus rectum of the ellipse 16x^(2) + 25y^(2) = 400 is:

The length of the latusrectum of the ellipse 16x^(2)+25y^(2)=400 is

The length of the latusrectum 16x^(2)+25y^(2) = 400 is

The length of the latusrectum 16x^(2)+25y^(2) = 400 is

A model of an aeroplane is made to a scale of 1 : 400. Calculate : the length, in cm, of the model, if the length of the aeroplane is 40 m.