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Anonymous
Anonymous asked in 社會與文化語言 · 2 decades ago

”圖形公式”

哪位大大能告訴我各圖形算面積的公式...

拜託摟...

Update:

又是你= =

1 Answer

Rating
  • 2 decades ago
    Favorite Answer

    三角形面積: 底乘以高再除以二

    梯形面積: (上底+下底)乘以高再除以二

    圓形面積: 半徑乘以半徑乘以"ㄆㄞ"

    橢圓形面積: (不好意思.這個我不會)

    正方形面積: 邊長的平方OR對角線的平方除以二

    長方形面積: 長乘以寬

    菱形面積: 對角線乘以對角線除以二

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