An arc of a bridge is semi-elliptical with the major axis horizontal. If the length of the base is 9m and the highest part of the bridge is 3m from the horizontal, then prove that the best approximation of the height of the acr 2 m from the center of the base is `8/3mdot`

A circus tent is cylindrical upto a height of 3m and conical above it. If the diameter of the base is 105m and the slant height of the conical part is 53m, find the total canvas used in making the tent.

If the volume of a right circular cone of height 9 cm is 48pic m^3 , find the diameter of its base.

If the volume of a right circular cone of height 9 cm is 48pic m^3 , find the diameter of its base.

Find the height of the triangle whose : area 28.9m^(2) ,base = 8.5 m

What will be the height of a cuboid of volume 168\ m^3, if the area of its base is 28\ m^2?

The volume of a cuboid is 440\ c m^3 and the area of its base is 88\ c m^2 . Find the height.

If the distribution of weight is uniform, then the rope of the suspended bridge takes the form of parabola.The height of the supporting towers is 20m, the distance between these towers is 150m and the height of the lowest point of the rope from the road is 3m. Find the equation of the parabolic shape of the rope considering the floor of the parabolic shape of the rope considering the floor of the bridge as X-axis and the axis of the parabola as Y-axis. Find the height of that tower which supports the rope and is at a distance of 30 m from the centre of the road.

A wire connected in the left gap of a meter bridge balance a 10Omega resistance in the right gap to a point, which divides the bridge wire in the ratio 3:2. If the length of the wire is 1m. The length of one ohm wire is

An arc is in the form of a semi-ellipse. It is 8m wide and 2m high at the centre. Find the height of the arch at a point 1. 5 m from one end.

An arch is in the form of a parabola with its axis vertical. The arc is 10m high and 5m wide at the base. How wide is it 2m from the vertex of the parabola?