怎麼知道植髮面積有多少? 懂基本面積計算就行了 part I 前額禿

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沒錯,如圖所示,前額禿只要會算三角形面積,底乘以高除以二,把左右兩個三角形面積加起來就對啦。 很多人或許會想算一邊就好,再乘以二不就得了。 信不信由你,雖然人理論上是左右對稱的動物,前額禿還是常常左右禿得不一樣。

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