為什麼平方厘米要叫cm sqare?

2013-06-04 2:57 am

為什麼平方厘米要叫cm sqare?

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回答 (5)

YIP

2013-06-09 12:40 pm

✔ 最佳答案

為什麼平方厘米要叫cm sqare?
若果祇是計算或量度長度(length)就可以用公分或厘米(cm==centimeter)作為計算長度的單位。但是如果以正方形面積(area or dimension of square)來計算或表達,就必要將兩邊長度自乘所得的數據來表達;即所謂平方公分或平方厘米(cm2 or square centimeter)。至於其他長方形(oblong),平面三角形(plane trigonometry),圓形(circle)等的面積,其計算方法則各有各的規定了。

參考: 部分根據香港中美出版中心的萬用英文手冊

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[匿名]

2013-06-08 2:08 am

因為 sqare和平方(面積)是指2次方,而cm x cm=cm的2次方所以叫做cm sqare.

參考: 自已

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