Question: A 20 half-angle wedge is mounted at 0 angle of attack in the test section of a supersonic wind tunnel. When the tunnel is operating,

A 20° half-angle wedge is mounted at 0° angle of attack in the test section of a supersonic wind tunnel. When the tunnel is operating, the wave angle from the wedge leading edge is measured to be 41.8°. What is the exit-to-throat area ratio of the tunnel nozzle?

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