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

(i) If a parabola reflector is 20cm in diameter and 5cm deep.Find its focus.(ii) An arc 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.

An arch is in the from of a parabola with its axis vertical. The arch is 12 m high and 6 m wide at the base. How wide is it 6 m from the vertex of the parabola ?

An arch is in the from of a parabola with its axis vertical. The arch is 12 m high and 6 m wide at the base. How wide is it 6 m from the vertex of the parabola ?

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

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?

A rectangular park is 100 m long and 60 m wide. There is a path 2 m wide out side the park. Find the area of the path?

An arch is in the shape of a parabola whose axis is vertically downward and measures 80 meters across the bottom on the ground. Its highest point is 24 meters. Then the measure of the horizontal beam across the section at a height of 18 meters is

An arch is in the form of a semiellipse.It is 8 m wide and 2m high at the centre.Find the height of the arch at a point 1.5m from one end.

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 1.5m from one end.

In a model, it is shown that an arc of a bridge in semi-elliptical with major axis horizontal. If the length of the base is 9 m and the highest part of the bridge is 3 m from the horizontal, the best approximation of the height of the arch at 2 m from the centre of the base is