What is the elevation of the tip of the spire

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Reference no: EM13210779

A vertical angle of +18° 20'30" is measured to the tip of a church spire from an instrument set up 1920 ft away from the spire, measured horizontally. The telescope of the instrument is 5.25 ft above the ground station, whose elevation is 415.65 ft. What is the elevation of the tip of the spire? (Ignore atmospheric refraction and earth curvature)

Reference no: EM13210779

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