33.試計算 P 點坐標的 N 值?
(A) 2710317.04 m
(B) 2710437.04 m
(C) 2710273.12 m
(D) 2710480.96 m
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統計: A(28), B(97), C(74), D(128), E(0) #3895402
統計: A(28), B(97), C(74), D(128), E(0) #3895402
詳解 (共 1 筆)
#7473535
- \(\cos(30^\circ) \approx 0.866025\)
- \(\Delta N = 120.00 \times \cos(30^\circ) = 120.00 \times 0.866025 = +103.92\text{ m}\)
- \(N_P = 2710377.04 + 103.92 = \mathbf{2710480.96\text{ m}}\)
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