area of a triangular lot is to be computed, given the following trials for stadia interval factor: 102, 93, 97, 99, 104 and 107. The lot has its boundary named as A, B and C while the instrument is placed somewhere inside the lot. Point A is at N15°E with a stadia intercept of 1.211, rod reading of 1.926 m and an angle of -2°. Point B is at S65°E with a stadia intercept of 1.356, rod reading of 2.450 m and an angle of +1°20’ and Point C is at S30°W with a stadia intercept of 1.444 rod reading of 1.871 m with 0°. Determine the area of the lot if the instrument used has internal focusing.

Question

The area of a triangular lot is to be computed, given the following trials for stadia interval factor: 102, 93, 97, 99, 104 and 107. The lot has its boundary named as A, B and C while the instrument is placed somewhere inside the lot. Point A is at N15°E with a stadia intercept of 1.211, rod reading of 1.926 m and an angle of -2°. Point B is at S65°E with a stadia intercept of 1.356, rod reading of 2.450 m and an angle of +1°20’ and Point C is at S30°W with a stadia intercept of 1.444 rod reading of 1.871 m with 0°. Determine the area of the lot if the instrument used has internal focusing.

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