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In the field a surveyor measured the slope distance and zenith angle from point K to...

In the field a surveyor measured the slope distance and zenith angle from point K to point M. The slope distance was recorded in the field book as 873.20 ft.. Unfortunately the surveyor forgot to record the zenith angle. The elevation of point K is 1329.84 ft and the elevation of point M is 1280.65 ft. The instrument and rod heights were equal at the time of measurement.

  1. What is the horizontal distance between points K & M?

  2. What is the vertical distance between points K & M?

  3. What is the zenith angle?

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