F.3 Maths
回答 (1)
2012-11-24 5:58 am
✔ 最佳答案
slope of a horizontal line = 0Proof 1 :
For a horizontal line, Δy = 0
slope of the horizontal line = Δy/Δx = 0
Proof 2 :
The angle of inclination of a horizontal line, θ = 0°
slope of the horizontal line = tan 0° = 0
參考: 不用客氣
收錄日期: 2021-04-13 19:07:13
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