# Two large airship hangars were built in Orly, France, in the early 1900s but were destroyed in World War II by American aircraft. The hangars were 175 m in length, 90 m wide, and 60 m high and were formed by a series of parabolic arches.a. Set up a coordinate system with (0, 0) at the vertex of one of the arches and write an equation of the parabola.b. What is the focal length of an arch?

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Two large airship hangars were built in Orly, France, in the early 1900s but were destroyed in World War II by American aircraft. The hangars were 175 m in length, 90 m wide, and 60 m high and were formed by a series of parabolic arches.

a. Set up a coordinate system with (0, 0) at the vertex of one of the arches and write an equation of the parabola.

b. What is the focal length of an arch?

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Step 1

(a). It is given that, the length of hangars is 175 m, the width of the hangers is 90 m and the height of the hangers is 60 m.

The vertex of the parabola is (0, 0).

Step 2

Since the width of the parabola is 90, which means the points that lies on the parabola.

Step 3

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