Concept explainers
Consider the elevation between the two benchmarks shown in Fig. P3.39. The distance L, between the benchmarks B1 and B2 is 200 m, and their elevations are 500 m and 400 m, respectively.
(a) Find the angle of inclination
(b) Calculate the horizontal distance between the Benchmarks.
(c) Check the results in part (b) using the Pythagorean theorem.
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