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角度

1度同90度

角度係度嘅單位,分成360等份,每份1度。

唔同單位嘅定義

[編輯]
  • 轉:一轉即係一圈。
  • 弧度:數學上最自然嘅定法,冇單位,但有時為咗區分其他單位,會用 rad 代表弧度
  • 角度:一圈定做 360 度,因為 360 嘅因數多,可以用整數表達常用角,比較方便,亦係一般人最常用嘅一種計角單位。
  • 百分度:一隻直角定做 100 度,通常係建築行業用得多。

唔同單位嘅轉換

[編輯]
單位 對應嘅數值
  
弧度 0
角度   15° 30° 36° 45° 60° 72° 90° 120° 144° 180° 270° 360°
百分度 0g 40g 50g 80g 100g 160g 200g 300g 400g
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角度
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