Maths problem: how to calculate the actual length of AB, thanks?
回答 (1)
2021-02-12 11:25 pm
✔ 最佳答案
(1) gradient, tan θ = 1/6Inclination, θ = tan⁻¹ (1/6) = 9.46⁰ (to 3 sig.fig.)
(2)
height /actual distance = 1/6
(900-750)/actual distance = 1/6
∴ actual distance = (6)(150) = 900 m
收錄日期: 2021-04-12 11:42:42
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