帮我看看这道数学题,谢谢

2024-11-29 01:45:18
推荐回答(2个)
回答1:

回答2:

解:(1)∠BAN=∠CAN-∠BAC=90°-45°=45°;
(2)∠FED=90°-∠EDF=90°-30°=60°
∠AFE=∠FED-∠FAE=60°-∠BAN=60°-45°=15°