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# 製作平行四邊形 - PowerPoint PPT Presentation

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## PowerPoint Slideshow about '製作平行四邊形' - sasha-obrien

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• 正方形有四個直角
• 四邊長度相等
• 兩組對邊平行

• 對邊長度相等
• 長方形有四隻直角
• 兩組對邊平行

• 先任意設定一條邊
• 定點銳角/鈍角射出去
• 由邊的頂點延伸另一條更長的邊，並形成銳角/鈍角
• 火車軌
• 對邊與對邊的距離要相同(釘點數目相同)
• 關門
• 最後連上第四條邊
• Check checkcheck
• 檢查線跨過的點數是否相同

Check

• Check
• Check

• 定點銳角/鈍角射出去
• 火車軌
• 關門
• Check checkcheck

Check

• Check
• Check

• 定點銳角/鈍角射出去
• 火車軌
• 關門
• Check checkcheck