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上面那一題,90° - 45° - 45° 的邊長比1 : 1:根號2 建議可以直接背起來
還有30° - 60° - 90°邊長比1:2;根號3 也可以直接背
了解了~謝謝你~
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上面那一題,90° - 45° - 45° 的邊長比1 : 1:根號2 建議可以直接背起來
還有30° - 60° - 90°邊長比1:2;根號3 也可以直接背
了解了~謝謝你~
Users viewing this question
are also looking at these questions 😉
好的好的 謝謝你~