關於OFA的百科

• 如圖，正方形OABC繞着點O逆時針旋轉40°得到正方形ODEF，連接AF，則∠OFA的度數是(　　)A．15°...

• 問題詳情：如圖，正方形OABC繞着點O逆時針旋轉40°得到正方形ODEF，連接AF，則∠OFA的度數是()A．15°    B．20°      C．25°    D．30°【回答】C知識點：圖形的旋轉題型：選擇題...
• 2020-04-127146

• 如圖，正方形OABC繞着點O逆時針旋轉40°得到正方形ODEF，連接AF，則∠OFA的度數是(    ) A....

• 問題詳情：如圖，正方形OABC繞着點O逆時針旋轉40°得到正方形ODEF，連接AF，則∠OFA的度數是(    ) A.15°            B．20°             C．25°        D．30°  【回答】C 知識點：圖形的旋轉題型：選擇題...
• 2021-10-3110686

• Londonhasbecomeacycle-friendlyzoneafterthelaunch(啟動)ofa...

• 問題詳情：Londonhasbecomeacycle-friendlyzoneafterthelaunch(啟動)ofanewbikehirescheme.IthasbeendesignedtoencouragemorepeopletocycleinandaroundcentralLondon.Sohowdoesitwork？Firstyouhavetosignuptotheschemetobesentakey.Thekeywillunlockoneofthebikes,whichare...
• 2021-04-0714486