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Extracted text: A transit with a stadia constant equal to 0.30 is used to determine the horizontal distance between points B and C, with a stadia intercept reading of 2.55 m, the distance BC is equal to 200.55 m. Determine the difference in elevation between B and D having a stadia intercept reading of 2.90 m at Dat a vertical angle of 7°50: O 33.790 m 31.790 m 30.790 m O 32.790 m